Yo momma's so stupid, when she was told to do 10 push-ups, she layed on her back, looked up, then complained that there was nothing to push.

Yo momma's so stupid, when she had to run the mile, she ran away from the gym teacher yelling that she wouldnt stop until she was miles away.

Yo mommas so stupid, when she was told to DO FIVE JUMPING JACKS, she went outside and found five guys named Jack, told them all to jump up and down, then had sex with each one.