pun at the zoo
both overheard and made up on the spot (imagine the really bad ones being said by a dad in dockers pushing a stroller or his wife tracking the five year old who is running up ahead.):
you lied, so you're a lion.
well, you cheated, so you're a cheetah.
i'm going to the store to get some pandaphanilia.
hot piece of octopussy.
the heat is unbearable.
[long haired orangutan] look! it's a rastatan.
they should rename it hippopootamus.