Dirky grin

The facial expression of a person after having his face covered in hot semen.

After being the receiving member of a bukkake circle, Mike showed his Dirky grin.

by Gosset's future child June 4, 2018

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 10, 2007

RaceCar Grin

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

Racecar grin and a bottle of gin.

by dudemanyesbro January 25, 2010

Shitts and Grins

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

Electric Grin

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

cheshire grin

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

thickhead grin

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