Have you ever had those raids where your fire team just doesn't work to you. Either if they just suck, or one of them dropped the n word. You just start thinking HOW can I leave politely or what can I say that is really random and stupid and will confuse them to make my escape? I've gone between saying I've played too much destiny and my eyes hurt or my hamster just got the news that he's been accepted to university, depending on the group.
EDIT: if you want Leave your best leaving lines, serious or not.
-
If I'm on Vault of glass ALL HAIL ATHEON TIMES CONFLUX then if I'm holding the relic I'll jump of with it If I'm on Crota's end ALL HAIL CROTA DARK PRINCE OF THE HIVE if I'm holding the sword I'll wait till Crota has a sliver of health left then jump over the edge with a sword. Then after I do those I say y'all suck then leave