Top definition
When someone responds to a sarcastic comment with seriousness and makes a fool of themelves, this is what you tell them.
(Bald midget prostitute walks by)

Dave: Wow, that bird was absolutely smoking! Man I'd bang her.
Tony: What? You're a brain dead moron with no taste in women!
Jim: Umm, Tony... Failure to Spot Sarcasm Alert.
by Sketchead October 24, 2009
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