2 definitions by Irwin R. Scheister Jr.

When you get an erection while trash-talking some one to their face.
Yo is that Eddie across the street jaw-jacking that other dude right up in his grill?

Sho is, and he got a Boner McGregor. That's straight gangsta!
by Irwin R. Scheister Jr. August 26, 2017
Get the Boner McGregor mug.