Definitions by Kobe Whitlock

Montana Mouthful

When a boy or a girl gets cock and balls slammed into his or her mouth.

"Dude, my girlfriend and I were messing around last night and i gave her a Montana mouthful."
"Ew, i don't need to know about that."
"...I'll give u one."

Montana Mouthful by Kobe Whitlock May 26, 2009