A true statement made sarcastically so as to imply the statement's falseness. Used as a means of deception.
Tommy: I can't find my watch, did you take it Billy?
Billy (sarcastically): Yeah I, your best friend, stole your watch...along with all the money from your piggy bank and wallet..
Tommy: That's flarkin, Billy! You stole the watch and the money, didn't you!
Billy: Ah, you got me Tommy, here's the watch and the money I stole. Sorry.