A testicle that is swollen and black. The male equalvalent of a blue waffle, and is given by having sex with a woman with a blue waffle
Damn, them black avocadoes must be as big as melons
by The Black Moose June 07, 2010
1 more definition
They way your balls look after getting a vasectomy.
I got my nuts clipped on Friday and now by balls look like black avocados.
by blackballs77 November 17, 2009