Top Definition
the end of the metabolic line,the organ that propagates a biological full stop.the anus.
the part of you that pulses when you dodge death by inches
dave;ijust nearly got dropped by that huge chav!
jamie;i know!!he was huge,are you ok!
dave;yeah im fine,nipper valve is twitchin a bit though..brrr
by myblueshades August 22, 2008
8 Words related to nipper valve

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