by The new BOB January 25, 2017
Get the duncan's bitchmug. Where one drunkenly ejaculates on the floor and waits for their partner to slip on the floor, landing on their face, then, while their partner is bleeding on the floor, they proceed to buttfuck them till loss of consciousness.
by Cpt. Fuckbucket June 9, 2016
Get the Duncan Slip N' Slidemug.