by capnbarfy May 28, 2011
by phantaxtic August 12, 2014
Its when someone tells u something u don't find funny or don't understand, u have this grin that looks like someone made u smell shit
by insulator42 December 16, 2010
the face reserved for coitus when you know you are gonna cum real soon and have given up on waiting for your partner to climax.
by veeds1 September 06, 2009
A grin for one of those moments where you say or do something that is so unbelievably dumb, the only thing you can do is grin in a ridiculous manner. Bear in mind, the said action is literally so fucking stupid, no normal grin can convey the amount of stupidity your brain just expressed. (i.e. The face you make when your brain has a severe case of the shits.)
Sam walked into her kitchen and saw her boyfriend butchering yet another cow on the table they ate dinner from. When he noticed the angry look she gave him, all he was capable of was a half-shitted grin. This was the third time this month.
by AngelTheFallen July 11, 2014
by Bunny August 06, 2005
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.
by Young Scain May 27, 2007