Another name for testicles. Inspired from the word badonkadonk, boydonkadonks are usually large in size however the term can be applied to any males' testicles - large or small.
Girl 1: This really hot guy was working out at the gym, but he needed more support.
Girl 2: What do you mean?
Girl 1: His boydonkadonks were bouncing.
Girl 2: What do you mean?
Girl 1: His boydonkadonks were bouncing.
by arner2344 February 2, 2010
A curvaceous, voluptuous, and vivacious ass, typically found on a Black female, that is inexplicably exploding from a male.
by duboiss January 6, 2009