Yo mama so ugly, she pukes each time she looks at the mirror.
Yo mama so dumb, she got -2 on the GRE.
Yo mama so fat, she was hauled by a cargo ship to the interview weekend.
Yo mama so stupid, she stole the free brochures at the recruitment weekend.
Yo mama so dumb, she runs out and checks her mail box every time her email says 'Inbox 1'.
Yo mama so dumb, when the PoI's answering machine told to leave a voicemail, she yelled into an empty envelope.
During the interview weekend, I was in the midwest with yo mama. It was very cold outside, so I said 'it's chilly outside'. She went and got a spoon. Yo mama so dumb!