donkey nut buckle
when you put a girl on her hands and knees and have sexual intercourse until you both ejaculate at the same time and creates a clog in both the vagina and penis urethra making the sexual organs cripple for a few days until the clog is fixed
John: "mate lets go out and get laid tonight"
Nick: "na cant mate, she hit me with the donkey nut buckle last night"
John: "..."
Nick: "na cant mate, she hit me with the donkey nut buckle last night"
John: "..."