1. Someone who is definitively useless;
2. Used to denote that one is as useful as a sack used to capture queefs.
(Essentially the upgrade (or downgrade) from douchebag but not as important as a motherfucker)
Jess: he is just not emotional, completely sarcastic about everything; the kind of person you have to get used to...
divO: smh...sounds like you're wasting your time w/ a queefsack.