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1. shit-grinning
(adv.) an overt display of self-satisfied smugness when clearly such displays are either undeserved or unwarranted. As if the subject were to smile innocently only to reveal a mouthful of shit to his/her peers.
Kyle: "Did you see that shit-grinning bastard John after he got his paper back?"

Whitt: "Yea he looked like a gloating douche for sure"
2. shit grin
A grin given by the grinner to show or perhaps hide an inside thought or observation of their surroundings. The grin is usually obvious and not containable but more likely the grinner does not want to contain the grin therefore getting their point across without speaking. Sometimes you just can't say things with words so don a shit grin instead!
"Every time my boyfriend looks at my ass he dons a shit grin."
3. Scab Collector
n.
-one who collects scabs
- a major douchebag
- a twat eating shit grinning asshole
- someone who needs to stop talking, now
"it's cold out here, hurry up"

"shut the fuck up sheila. you're such a fuckin' scab collector"
4. scab collector
a fucking douchebag
cocksucking shitgrinner
ect..
"i dont want to stand in the rain waiting for you to tie your shoe"

"fuck off sheila, jeeze. don't be such a fucking scab collector."
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