Used to describe the anal opening just before sex.
Ruiners sphincter quivered like a frightened starfish just before the drunken polar bear inserted his bearhood.
by Anonymouse69 July 21, 2007
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Rigid position adopted by a female virgin in preparation for first coital experience.

Characterised by slightly spread arms and legs and absolutely no movement whatsoever before, during or after coitus.
"Yeah, it was her first time, so she did the frightened starfish, but after a couple of times she was really cock hungry"
by stevobower February 21, 2005
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