A fork of Rural Dictionary
When your cock and balls have so much hair on them that it resembles Dumbledores beard.
Tim: Did you see that nasty guys diz in the changing room?
Tom: Yeah, that was one helluva dumbledonger.
When you go out and with no effort whatsoever, a woman or women want to have sex with you. This typically happens for males in their prime.
I went out last night to hang out with the guys, and this girl literally fell on my dick.
When you ratchet off a nut on/in a lady of epic proportions.
I was carrying around a pound or so of pudding and I totally transformed into Nut Bustings on m'lady this morning.