Yo mama’s so ugly the Terminator climbed into the hydraulic press willingly!
Yo mama is so crazy she thinks you will be the leader of the humans’ war against machines.
Yo mama’s so ugly the machines thought she was already terminated!
bump
baltar
Yo’ mamma… ahh I just like sayin’ it. Yo’ Mamma… tell her i said hi.
you know I taught her that thing you like…
Dr. Jones is so hot your mother had to change her name from AZ to EZ. 
Yo mama’s so ugly, Mola Ram pulled out his own heart!
Yo mama’s so old, she lost the Ark!
Yo mama’s so stupid, she spelled Jehovah with a Q!
Yo mama’s so fat, she emptied the fridge before Indy got there!
Nice!!!
Yo mama is so nasty the Sarlacc vomited her back up.
I didnt write this. Someone sent it to me.
One day Luke gets fed up with life as a farmer so he goes to see Old Ben the local magician.
Luke: Ben I’m really fed up being a farmer can you turn me into something else?
Ben: Like what?
Luke: Well I guess it would be cool to be a Dewback.
Ben: Ok but only if you’re sure.
Luke: I’m sure all right but let me go off and have one last drink as a human.
Luke goes off to have his drink.
Owen and Beru are getting worried so they go and see Old Ben to see if he knows where Luke is.
Owen: Hey Ben have you seen Luke today?
Ben: Yes. he’s gone for a drink but he won’t be Dewback until later.
Those were funny!
You mama is so ugly George Lucas used her as the trash monsters stunt double.
Yo mama’s so old, she spelled Jehovah with an I!
Yo momma so ugly Tigh would tear out his other eye rather than look at her!
Yo Momma so dense when she menstrates she produces ‘Red Matter’…
edit: I see someone already used my entry.
I would much prefer this movie…
Yo mama’s so ugly George Lucas had to cover her up with CGI in the Special Editions.
Yo mama’s so fat, she could feed three Ewok villages for a month.
Yo mama’s so dumb she thought Vader’s deal with Lando kept getting better all the time.
Yo mama pulled the ears off a Gundark…
That’s no moon…that’s your mama
Yo mama’s a stuck up, half witted, scruffy looking nerf herder
Yo mama surrounds us and binds us
Yo mama digitally insterted Jabba the Hutt in the special edition of A New Hope
Yo Mamas so fat, Jabba was like “DAAAAMMMMNNNN”
Isn’t yo mama a little short to be a stormtrooper?
Yo mamas so fat, when she fell to the Dark Side, she broke it
Yo mamma so fat, 4 ILM guys have to climb inside and operate her limbs.
Yo mamma so mean, she has the death sentence on twelve systems
Yo mamma so ugly, Luke cut off his other hand after touching her
Yo mamma so fat, Princess Leia must have hidden the plans in her. Send a detatchment down to retrieve them. See to it personally commander. There’ll be no-one to stop us this time!
Yo mamma so hot, she apologized to Vader and lived
Yo momma’s so hairy, the only language she can speak is shyriiwook