1. (n.) The behavior of a fool; absurdity; lunacy\.

2. (n.) An act of folly or weakness; a foolish practice; something absurd or nonsensical.

Parthian shot asininity back answer banter battiness brainlessness buffoonery caustic remark clownishness comeback crack crackpottedness crankiness craziness cut cutting remark daffiness desipience dig dump eccentricity fatuity fatuousness fleer flout folly foolheadedness fooling foolishness frivolity frivolousness gibe gibing retort giddiness goofiness harlequinade horseplay idiocy imbecility inanity ineptitude insanity jab jape jeer jest leg-pull lunacy madness mindlessness mock monkeyshines niaiserie nugacity nuttiness parting shot put-down put-on queerness quip rude reproach sappiness scoff screwiness scurrility senselessness shenanigans short answer silliness slam slap stupidity swipe taunt thoughtlessness tomfoolery triflingness triviality twit verbal thrust wackiness weirdness witlessness zaniness zanyism