The term "surething" means exactly the same thing as the sentence or statement "Sure thing." This term is basically and almost always utilized in online conversations. It expresses a response similar to: "Of course" or "Hells yeah". It's used by hipsters and gangstarrs alike and also shows rebellion in the refusal to type another space (as if teens today didn't abbreviate enough). Part of the hipness of such a term is that it never has been and never shall be abbreviated. Ever.
This would display an online conversation:
S*********9 (9:47:23 PM): "Are you gonna make it to Eric's party tonight?"
c**************n (9:47:02 PM):"Surething"
Verb. A reaction to tailgaters, when one throws a hand full of toll change in value less than a quarter out their window at the offending car as a curt incentive to back off.
I was doing 65 in the slow lane and some jackass came up behind me doing 80 and rode my ass like I was a cheap whore. He wouldn't pass me, so I surechanged his benz and sure enough he let off. We exchanged hand gestures when he got around me but I'll have the last laugh when his mechanic pulls pennies out of his radiator.
Surething in this context is a Slur against people who are over 20 and are Caucasian. It can be Confused with a Word with the same spelling "Sure thing" Which has a totally different meaning.