muffin grin

whenever a lady bends over and her butt crack shows

when that fine hunny bent over i saw that muffin grin.

by willx4 February 09, 2007

Flag

demon grin

When one licks out a woman's vagina whilst she is on her period

Her: wait I'm on my period
Him: doesn't matter *does it at the risk of swallowing blood clots AKA demon grin

by Aicjmhens December 04, 2017

Flag

When a grin (or any other object) is perfectly symmetrical. Yeah man.

by dudemanyesbro January 24, 2010

Flag

A large, toothy smile one has while under the influence of LSD, that will not go away.

I've got the Electric Grin, I just can't turn it off!

by Mosey on down December 18, 2009

Flag

To do something for the sake of Just doing it, and having no real purpose or goal other than just a good time.

"You wana Suck eachothers cocks for shitts and grins?"

by Bofish December 22, 2008

Flag

Man's smile when he has a near constant erection.

I can' wait to be with you again. I have a Cheshire grin that won't go away!

by PlayfulCan0358 November 13, 2013

Flag

When you wakeup in the morning with an awful hangover (thickhead) but then you realize how much fun you had (grin).

Al woke up with a terrible headache after his 40th birthday party by then remembered how much fun he had. He was experiencing a thickhead grin.

by ARTIFAX January 26, 2009

Flag