A term or description created by a well-known comedian describing a male rear end that has been sodomized. After numerous times it has the look of a Koi fish mouth.
by Esolee3 September 18, 2016

Koi is an online preditor will tend to groom groups of people (ofter males) seducing them into nefarious activities
by HolyGuacamoleSauceOnABuiscute May 11, 2020

A tampon left floating like a dead fish in the toilet, usually left by dirty tramps with no bathroom wastebasket.
by michael lowe May 25, 2007

by lighteninkmkqeen November 1, 2018

by Bubbers69 October 30, 2009
