What is Grimey-ass Grin?
1.
A facial expression expressed by a man or woman who has been discovered recently engaging in an illicit or private activity, usually appearing delighted.
Jason woke up later in the afternoon, and saw his house mate and some young woman on the couch roused and mussed up with grimey-ass grins on their faces.
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is when a male inserts his penis into another mans arsehole!with a huge cock
last night this guy got caught bumming another guy, hes is..
1.
The act of a man lying naked in the snow and a woman squatting on his penis to have sex.
My legs are so sore from the squatting Eskimo ..