Top Definition
COUSINCEST = COUSIN + INCEST, ie, when cousins have sex.
"Cousincest" is a misnomer. Cousin sex is NOT incest according to Modern Medical Science (cousins have a 96% chance of producing a normal, healthy child), the Bible, or most marital laws around the world (including Europe, Canada, and much of the USA).
by Kathy Golden March 04, 2009
when matthew and tony lovato GET IT ON, usually in my dreams
Tony and Matt sure do perform some pretty wild and hott cousincest
by Traci January 17, 2004
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