Large breasts, usually independent thinking from their host creature, that arise from a womans chest.
Jeeze, look at those Zepplins on Suzy Funbags over there.
Large breasts on a man. Esp. when mostly fat.
Her: Honey, you really need to start working out again.
Him: Hmm? Why is that. honey?
Her: Because your zepplins almost suffocated me last night while you were humping me.
Him: Get back under the stairs.