When a cuckold (male spouse) is laying flat underneath his wife or spouse (usually in a 69 position) while she is getting rammed by a bull (other male)
by TheCuriousCaseOfAids November 29, 2015
I was doing the under cuck with my wife when suddenly the man spunked into my wife! Guess I ordered the under cuck suprise !
by TheCuriousCaseOfAids November 29, 2015