Poor jokes

Why are quantum physicists so poor at sex?

Because when they find the position, they can't find the momentum, and when they have the momentum, they can't find the position.

My poor knowledge of Greek mythology has always been my Achilles' elbow.

Yo mama so poor, the ducks throw bread at her.

Yo mama is so poor, she buys used food.

Yo mama so poor, she can't even pay attention.