OpalCat’s World Domination Headquarters: Giant pink bunnies are taking over the world!
OpalCat’s World Domination Headquarters slash html slash index dot html
OpalCat’s World Domination Headquarters: that black hole was not our doing.
OpalCat’s World Domination Headquarters: secrets revealed, except when we don’t want to.
This has had me gigglin’ like a six year old girl at a slumber party for the past ten minutes. 
OCWDHQ: Press the “any” key to continue.
OCWDHQ: When it absolutely, positively, has to be world domination.
OCWDHQ: It’s milder - much milder!
OCWDHQ: What can opalescence do for you?
OCWDHQ: No [strikeout]fat chicks[/strikeout] Peter Griffins.
OCWDHQ: Because cats need to scratch.
OCWDHQ: Warmer than Finland.
OCWDHQ: Lisas admitted free! (Everybody else too.)
OCWDHQ: Not the end of the Internet, but you can see it from here.
OCDWHQ: Wenn is das Nunstück git und Slotermeyer?
OCWDHQ: It’s like being drunk. If you’re a glass of water.
OCWDHQ: Stumbling sideways through space-time since 1934.
OCWDHQ: Not haulin’ ass, not gettin’ paid.
OCWDHQ: It’s soaked in nutrients.
OCWDHQ: TAP TAP Is this thing on?
OCWDHQ: Where Darth met Sally. “Yes! YES! YESSS!” “NOOOOOOOO!”
OCWDHQ: Our planet is dying. We need cookies to survive.
OCWDHQ: Abandon soap all ye who enter here.
OCWDHQ: Because you can’t spell “apocalyptic” without “OpalCat.”
OCWDHQ: A riddle wrapped in a mystery inside a turducken.
OCWDHQ: Why, you, I oughta…mmmgggmrmff.
OCDWHQ: Beiherhund das oder die Flipperwaldt gersput!
Can you explain it to me? Because I wasn’t going to use it because I didn’t get it.
I’ve grabbed a bunch of these, by the way, and they’re live on the site now 
Thanks! (And feel free to keep 'em coming)
OCWDHq: Why vote for the lesser evil?
OCWDHq: Oh, sorry, you want room 12A, just along the corridor.
OCWDHq: Nobody here but us chickens.
OCWDHq: Like a breath of fresh air in a smoke-filled room
OCWDHq: How may I help you today?
OCWDHq: More entertainment per square pixel than any other website
OCWDHq: Minions needed. Must be willing to work long hours, mechanical repair skills and questionable morals a plus. Excellent dental plan.
OpalCat’s World Domination Headquarters: The Duck Says; MOOOOOOOO
OpalCat’s World Domination Headquarters: Das Mädchen ist einem Ungerheuer!
OpalCat’s World Domination Headquarters: Everything and everyone is recyclable.
OpalCat’s World Domination Headquarters: in the key of C!
OpalCat’s World Domination Headquarters: please stand behind the yellow line until your name is called.
OpalCat’s World Domination Headquarters: now applying for our second ZIP code!
OpalCat’s World Domination Headquarters: play online against your friends!
OpalCat’s World Domination Headquarters: doubleplusgood
OpalCat’s World Domination Headquarters: also known as SCP-1138
OpalCat’s World Domination Headquarters: try the web application!
OpalCat’s W.D.H. - Come back later we’re doing the dishes
OpalCat’s W.D.H. - Time Flies Like An Arrow - Fruit Flies Like A Banana
I wonder whether there’s a way to rewrite the title bar while the page is up? Then one slogan could fade out and another appear…
No longer affiliated with Gulf+Western
Baryonic and Byronic
Ice costs extra
What we need, when we need it
We support Metazoan Rights
Try it with smetana!
Hey, I can see your house from here
- Now with more Opal
- Not a speck of cereal added
- Hello, I must be going
- Dy-no-mite!
- Humiliation our specialty
OpalCat’s World Domination Headquarters: You can’t handle the truth.
OpalCat’s World Domination Headquarters: No need to hold the line we know where you live.
OpalCat’s World Domination Headquarters: Dominatrix on duty.
OpalCat’s World Domination Headquarters: Competitors domination coupons accepted
Opal’s W.D.H.: Have you heard about the new kind of music, a cross between country and rap? They call it “crap”.
Opal Cat World Domination HQ: Obscure in-jokes since 1973 (It’s taking longer than we thought)
OCWDHQ: If erection lasts longer than three hours, consult a physician
OCWDHQ: You sank our battleship!
OCWDHQ: Pretty sneaky, sis
OCWDHQ: Give a hoot, don’t steal slogans
OCWDHQ: Proofreeder wanted, aply within
OCWDHQ: Now; with 50%, more! unnecessary, punctuation!
OCWDHQ: Official [Noun]_ of MadLibs
OCWDHQ: Home of the fifth dentist who won’t recommend Trident
OCWDHQ: In Soviet Russia, Yakov Smirnov jokes steal you!
OCWDHQ: The Illuminati fear US!
OCWDHQ: Promoting the heat death of the universe, one pageview at a time
OCWDHQ: Turn your head and cough
OCWDHQ: We know if you’ve been bad or good
OCWDHQ: Get on our good side NOW, before it’s too late
OCWDHQ: We don’t patronize (that is, speak down to) our readers
OCWDHQ: Our operators are not busy with other customers; they just put people on hold to mess with them
OCWDHQ: It’s what we’re talking ‘bout, Willis
OCWDHQ: Does this web page make me look fat?
OCWDHQ: Parking validated with purchase of $10 or more
OCWDHQ: Future site of HitlersThatLookLikeCats.com
OCWDHQ: Not at all run by aliens (Boy, you Earthlings are suspicious)
OCWDHQ: Please hold your applause
OCWDHQ: Lather, rinse, repeat
OCWDHQ: It’s not you, it’s me… Ah, who am I kidding: It’s you.
OCWDHQ: The check is in the mail
OCWDHQ: Jackboots required
Taking some more of them. Changed a few. This list is getting really long. Me likey. My goal is that nobody ever sees the same one twice. Also, it makes Google results really interesting because they use whatever title was there at the time they spidered it. heh.
Both the thread and the website titles are making me giggle. Just what I needed on a rainy Sunday.
Also, I like Sunspace’s idea about having it change while you’re looking at the title. 
For the full effect one must here I’ll Be A Sunbeam/Jesus Wants Me For A Sunbeam.
Caution: Do not watch on a full stomach. May cause throwuppage.
I made it to :31 before I had to stop! Do I win a prize?