Because they're funny on many levels.
Because she's always drinking from the coup de Grace. (This was my sister's favourite joke when we were kids. Once our mum flipped out on a long car journey because she told it too many times).
By how many slaves he has.
A kid can joke but a joke cannot kid.
Because it was cheesier said than done.
A Lift (only a joke, my American friends)
I didn't expose myself inside a guitar this morning.
A cantelopez! Came up with this on all by myself. I'm a new Dad, so I feel as if I've significantly leveled up my Dad Joke ability.
He who makes a mistake in an elevator is wrong on many levels.