To make a big mistake, a social faux pas, to err.
When you get a voicemail from a friend and it's just incoherent conversation. You have just been "Butt Dialed". See also Telecommunications.
A unpleasant way to tell someone their cat's dead when you're in a hurry. See also Pets.
Dude. Do us a solid. Add your own funny phrase.
Kind of offensive, kind of polite. It balances itself out. See also Profanity.
An old expression for made up nonsense. Today we'd say, "B.S.", but I think this one needs to be revived.