Yo mama!

[Loki]

Yo momma is so stoopid she thought Hypnotic Gaze was a homosexual magic act

[siggyllama]

Yo momma so old she starts teams with 9 Fan Factor

[Pitch Invader]

Yo mama so skanky she thinks Take Root is an invitation.

[Pitch Invader]

Yo mama so stupid she thinks tentacles means 10 dwarf blockers.

[JT-Y]

Yo mama so ugly she immune to hypnotic gaze.

Yo mama so ugly she got surfed and the crowd jumped on the pitch.

Yo mama like a BB player, she only showers after two periods.

Yo mama the best catcher, she receives all the balls.

Yo mama like the stadium on match day, she open to the public.

Yo mama like a championship players ring, everybody want to get a finger in.

Yo never be the man yo mama is.

Yo mama feet so big her boots both have their own place on the team roster.

Yo mama so bald she keeps getting intercepted.

Yo mama like a fan, always blowing someone.

And finally...

You suck... yo mama does too, but she charges.

[natsirtm]

Yo momma is so easy she always takes the Both Down

full of win

[burgun824]

This thread is already full of win. I'll add one.

Yo Momma is so hairy her <<mommy part>> needs to roll for Wild Animal.

[AllyRdr]

Yo momma so fat, folk need two GFI's to walk round her

[siggyllama]

Yo momma butt so funky, the defense won't even turn her over

[siggyllama]

Yo momma grind so much, she's always scoring in the stall

[Daht]

Yo mama so old and fat she takes up 4 squares on the pitch, and so easy playas can run in and out of her backside without dodging

[Pitch Invader]

Yo mama so trashy she needs Claw to remove her make up