Not knowing how to use a coathanger...
A pun is a play on words, while Cliff's notes are a word on plays
A funeral is a meeting where you're dead outside as well as in.
Kung food (Don't hurt me, I know it's bad)
Because it's not about who you know, but no Yoo-hoo.
You're-a-peein"
Uniball.
Man have no chicken. All animals are die in famine. Man cross to look for potato. No potato.
A: T-A-T-E-R.
Because they can turn any animal into a vegetable!
A hearti*choke*. ... :D
Both can be fixed with a coathanger.