the extra length of belt that stick out from you pants which resembles a penis hanging out infront of you.
"Dude! Put your dick away...oh nevermind, its just your belt dong."
by queen of fucking france bitches July 27, 2007
the extra length of belt the projects out from the front of your pants that resembles a penis
"come on dude, fix your belt! your freakin belt dong is wavin all over the fuckin place and it just slapped me in the back of the head!"
by queen of france August 06, 2007