usufruct
** A KOONA MA TA TA** (forgive spelling)
That saying they had on “The Lion King” always souded like they were say something to the effect of: Kiss my ass!
For those looking for ideas, there’s more in this thread.(Gotta love the Search!) **http://boards.straightdope.com/sdmb/showthread.php?threadid=24947 Do you know phrases that sound dirty but have no dirty words ?
Physics terms:
Degenerate Perturbation Theory
Stimulated Emission
Spontaneous Emission
Radiometric units: nits, phots, lux
sextuplets
chitlins
discretion
I remember the weight lifting unit in my 8th grade gym class. The entire class burst out laughing when the teacher said he was going to demonstrate these moves:
*The Snatch
*A Clit
*The Clean & Jerk
Oh man.
Does Gary Kumquat know what you’ve done to his SN (at least in my eyes)?
Working on construction sites and doing our own home repairs has provided some:
Caulk - with variations like caulkgun, and my personal favorite, caulk remover.
Toolbox - this has always sounded like a graphic description of the usefulness of the female equipment.
Screwgun - when installing drywall or plywood, there is always call to say “You hold it up and I’ll screw”
Uranus
Middlesex
I just wanted to point out that according to the Oxford English Dictionary, either spelling is acceptable. The “c” variation is quite common and seemed appropriate here.
Maybe Uranus got left out because these days they’re
pronouncing it UR-uh-nuhs instead of the old mainstay
from grade school, uhr-A-nuhs.
he he.
No one ever believes me about this
he he.
but the original Trivial Pursuit had a question;
“Does Uranus have an aura?”
he he.
Anyone remember this?
horehound
Gotterdammerung
petcock - the thing you use to switch your motorcycle over from the main fuel tank to the auxiliary.
As if a planet that is piss-soaked is less dirty than one that’s your netherest orifice.
**
I was a pretty vicious Trivial Pursuer, and I don’t remember this.
Ah. Didn’t know that. Apologies to you, Beeblebrox. 
I like to tell people I suffer from melomania and watch the look of pitty (or fear) in their eyes.
If you’ve been to Washington state, then you may be familiar with the towns of Tillicum and Humptulips…
[with flicking eyebrows and suggestive tone]
…Shoe
…Megaphone
…Grunties
…Wankel Rotary Engine
[/with flicking eyebrows and suggestive tone]
What really brings out the sniggering schoolboy in me is ‘sending a probe to Uranus’