The act of motor-boating a set of ass cheeks and tickling somebody's balloon knot with your epic mustache.
"So I got a Brown Brimley the other day. It was kinda weird getting my asshole tickled with the stache!"
by tomfoolery1307 July 02, 2016
"I just got a Brown Brimley. It was really weird at first, but I got used to the mustache tickling my balloon knot."
by tomfoolery1307 September 21, 2016