Lumber Nuts 

hitting yourself in the nuts with your own hard on.

Tom, " Bro i just got a case of Lumber nuts."
Brian, " that sucks man."

Lumber Nuts by Bandana Raburn September 13, 2011

Lumber Nuts 

The act of using your own boner to bag tag someone else.

Bro, Tito has been acting like a clown all day, I want to get him to shut the fuck up.

I'll tell ya what you should do fella, you gotta Lumber Nuts that fool.

Shit, that's kinda gay, but it's a great idea.

Lumber Nuts by sanfred November 2, 2011