Science fiction and fantasy Yo Mama jokes

Yo momma so dumb, ugly and stupid…even Vulcans find jokes about her to be…“Quite logical.”

Yo momma so ugly, the Gideons use her for birth control.

Yo momma so ugly, she drive you crazy if you forget your visor.

Yo mamma so fat her Patronus spell is a birthday cake

yo momma so fat even Jabba wouldn’t let her dance for him

yo momma so ugly even klingons look at her and go DAMN! in a bad way

yo momma so stupid she go to the Pakled school

yo momma so hairy one time Han Solo let her fly the Falcon

yo momma so smelly that before she fell in the bog of eternal stench it was called lake pleasant

Yo mama so fat/stupid that the Vulcans don’t want that kind of diversity.

Yo momma so ugly, facehugger’s die before implantation!

Yo mama so fat, when she went to the gym, everyone ran away because they thought they heard Darth Vader.

Yo momma so fat, she fill up a TARDIS!

I had never seen war, or even talked of it with someone who had, but I was young and knew something of violence, and so believed that war would be no more than a new experience for me… War is not a new experience; it is a new world. Its inhabitants are more different from human beings than Famulimus and her friends. Its laws are new, and even its geography is new, because it is a geography in which insignificant hills and hollows are lifted to the importance of cities. Just as our familiar Urth holds such monstrosities as Erebus, Abaia and Yo Mamma, so the world of war is stalked by monsters called battles, whose cells are individuals but who have a life and intelligence of their own, and whom one approaches through an ever-thickening array of portents

Yo mamma so fat, LIGO has to filter her from the readings.

Yo mamma so not hot, she forms a Bose-Einstein condensate.

Yo momma so dumb, not even the Salt Vampire cloud her mind!

Your Momma so ugly & mean, when she roars, Chewbacca runs away.

Yo mama so incredibly fat, she propels the infinite improbability drive.

Yo momma so fat, she extend in four dimensions!

Yo momma so fat, she Shai-Hulud.

Yo momma so dumb, she make an Eymorg look smart!

Yo momma so ugly, sarlacci spit her out!

Yo mama so dumb and fat, she heard the frakking toasters were coming and she asked for a bagel and cream cheese.

Yo mama so fat, the rebels tried to steal her plans

That’s no moon, it’s yo mama

Yo mama so fat, she’s M-class

Yo mama so fat, her belt is the Ringworld

Yo momma so fat, not even the Space Amoeba can absorb her!

Yo momma so fat and ugly, she make the Planet Killer self-destruct!

Yo momma so fat and ugly, no mugatu wanna bite her!

Yo momma so dumb and ugly, not even the Borg wanna assimilate her!

Yo momma so fat and ugly, Red Jack don’t even know she a woman!

Yo momma so fat, she eat up all the quadrotriticale!

Yo momma drink so much, she put Scotty under the table!

Yo mama so hairy she looks like she’s got two ewoks in a headlock.

Yo mama so fat she’s officially the elemental plane of fat.

(I apologize in advance for this one…)
Yo mama so big and dark, apes learn to use tools around her feet while an orchestra plays Also Sprach Zarathustra

Yo mama’s so fat, there’s a Hitchhiker’s Guide to Yo Mama… and the cover says “Panic!”