this term is used in resident evil 2 remake a couple of times when the tyrant (mr x) inflicts physical dominance over an ordinary character
this was also written in a song
XGong best describes a drug dealer who is very clumsy in the way in which he deals his drugs. A XGong often gets his pubic hair mixed up with his weed and so the purchaser is getting high off pubes.
Stoner 1: yo have a sniff of my grizzade weed...
Stoner 2: errrr that smells danke..who gave you that...a XGong?
Stoner 1: yeah