The original poster is obviously not part of the "grammerpolice" due to his misspelling of "grammar" and his lack of a space between grammer and police.
When a person commits a grammar sin. Perhaps using a form of a word that is not grammatically correct, misspelling a word or the misplacement of punctuation.
Person one: Hey, how've you been?
Person two: How've ain't a word.
Person three: Both of those statements are grammarasphemous.
Person four: Yeah you guys have comiited Grammersphemy.
Someone who does it for the gram. Cole bought a new pair of kicks so he had to climb a building and post a pic for intagram. Grammers post regularly to instagram and often use their posts to generate income.
The alleybehind my building is usually full of grammers trying to look hard.
To take something small, that doesn't quite qualify as a theft. Probably from the Danish "skæv" or the Dutch "scheef", both of which are pronounced similarly, meaning "askew, or not quite right'. To change an item's ownership without permission, but only something small and of little worth.
"I skeefed an apple off the neighbor's tree." "I skeefed some chips outta your bag when you looked away." "Don't skeef my chair when I go to the bathroom."