1 definition by SirNedStark

Top Definition
A male who is preposterously bad at losing, often resulting in a child-like tantrum befitting a small child. One who is prone to hissy fits.
"Dude, was playing ping-pong against this kid in school and he threw his racket down in the middle of the game and ran away cursing and crying. A real hissy-fit."

"Oh man, sounds like a real Shantanu. Sorry to hear it."
by SirNedStark March 27, 2013

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