Matt Coolness's definitions
A cross between queef (a vaginal expulsion of air) and a belch (a loud protrusion of air and often small particles from the mouth). As such, a quelch is a loud belch from the vaginal region often resulting in a light spray emerging from this region.
Hannah quelched all over Rainer's face as he went to fellate her, covering his face in an opaque liquid.
by Matt Coolness August 31, 2007
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