Annoyed passenger: I can't find a spot for this bag.
Annoyingly chipper FA: Oh well I'm sorry sir, but I'll have to gate check that.
Annoyed passenger: Why don't you check it up your ...!
Annoyingly chipper FA: Well if it would fit there, we wouldn't have to check it now would we? Where'd you say you were going, again? *cheesy grin*