a unique name for a penis, not to be confused with a dingdong (doorbell), may be used in code when not wanting boys to know you are talking about their penis.
You could almost see his dillydong through his pants at the club last night... or maybe I was just drunk....
by chimmychunga7 July 02, 2009
1 more definition
When you are doing your chick in the butt and your dink gets coated like a dilly bar from Dairy Queen.
I put it in her butt and all I got was a dilly dong.
by clownpenis September 28, 2013