Used to add annoyed emphasis to an associated statement.

I will let you be in charge; you can make the decisions or choices.

(Internet slang, UK, humorous) An admission that one has embarrassed oneself and should leave.

Used to accept (or call) a bet, and at the same time raise the stakes.

(UK, Northern dialect) Expressing astonishment.

If you do me a favor then I will do you a favor; quid pro quo.

I will have