witty language used to convey insults or scorn; "he used sarcasm to upset his opponent"; "irony is wasted on the stupid"; "Satire is a sort of glass, wherein beholders do generally discover everybody's face but their own"--Jonathan Swift
escape potentially unpleasant consequences; get away with a forbidden action; "She gets away with murder!"; "I couldn't get out from under these responsibilities"
cause to be acquitted; get off the hook; in a legal case; "The lawyer got him off, even though there was no doubt in everybody's mind that he killed his wife"
deliver verbally; "He got off the best line I've heard in a long time"