8
A grin which someone crazy enough to be eating shit and be deliriously happy about it would have on their face.
I told Jimmy to wipe that shit-eating grin off his face before I smashed it into a pulp.
by hugepossum November 29, 2005
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9
1. A huge smile that shit eaters can't stand(aka people who take themselves too seriously) When a serious butthurt occurs followed by a SEG said "victim" often flees to Urban Dictionary to bitch and moan about SEG's or someone wearing one. These whiners are often on the wrong end of the stick(no pun intended) and are too dull to grasp that their bitching only intensifies the "shittiness" of the grin. Naturally humiliation of the "victim" is in direct correlation to the "shittiness" of the grin.

In any situation it's best to be the person wearing a shit eating grin as opposed to the person who just ate shit. The person wearing the shit eating grin possesses both self-control and inner contentment concerning present circumstances. (possibly but not always at someone's expense) .

Many women love a shit eating grin, as it expresses the mystery of inner laughter as well as a completely unabashed authenticity regarding another person. All without blabbing on about some bullshit she probably doesn't care about.

A shit eating grin is one of the most powerful/sexy smiles in the world when expressed correctly.
Shit eating Jim and Butthurt Tom are walking on the sidewalk when Tom slips on a banana peal and falls on his ass. Jim flashes an enormous shit eating grin.
T: Wipe that shit eating grin off your face!
J: What grin?(while still smiling)
T: (silent)
J: (normal face) Alright Tom get up let's go.
T: No!!!! I'm going to go home and write an article about how butthurt your smile makes me feel!!!
J: (grins) o.k. Tom you do that.
by CheshireXstacy June 25, 2011
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10
A stupid grin that makes you look so clueless that you enjoy eating shit on a daily basis without realising you're a complete putz.
People who call tech support don't even try to learn the basics of using a computer. I picture them sitting at their desk with a shit-eating grin, then headbutting the screen.
by Mikes_arse August 19, 2006
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11
The grin on a persons face after they just tossed your salad.
by MissBunny October 10, 2003
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12
The kind of grin Susan Estrich makes
Get that shit eating grin of your face
by pookleblinky December 03, 2004
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13
having been invited to eat shit, one declines ... with a smile ...
wipe that shit-eating grin off your face ...
by lpdmontana April 12, 2010
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14
A toothy smile made by a jackass who just downed a 3 ponds of buffalo turds and still had particles of it on its teeth
Hey, buddy! Brush that shit-eating grin off your face!
by Bernard Dworkin July 28, 2003
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