1. A sound effect used generally to describe the sound of hitting a gong, or any resonating metal object.
2. Slang for a male penis.
1) "When I hit the bell, it went dong!"
2) "Boi you've got the biggest fuckin dong I've ever seen"
Your peen bigger than normal so therefore you have a fat DONG
Hey Tim, nice DONG you got there.
Dong means a guy who wanna be young, rich, handsome, sexy, hot, cute and pretty.
Greedy boiiiii