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1.
Sterek is the fanfictional portmanteau that refers to a relationship between the characters Stiles Stilinski and Derek Hale off the MTV hit television show Teen Wolf.

Stiles + Derek = Sterek
Derek: Start the car. Now.
Stiles: Ok, I don't think you should be barking orders, ok? You know, if I wanted to, I could probably drag your little werewolf ass out into the middle of the road and leave you for dead!
Derek: Start the car, or I'm gonna rip your throat out. With my teeth.
Stiles: ... *Starts car*

Fangirl_1: Oh my god, did you see that scene?
Fangirl_2: I know, right?! That was so Sterek!
Fangirl_1: I wish they would just make out already.
by CastielLovesDean June 28, 2012
 
2.
Characters from MTV Teen Wolf, Stiles & Derek, as a couple. Every Sterek lover will want this to happen.
Sterek Fan: OMFG WILL STILES AND DEREK HAVE SEX ALREADY?! GOOOOOOSH STEREK NEEDS TO HAPPEN NOW!
by stellarbutts June 28, 2012
 
3.
when one eats too much;fat;feeling hungry
Damn I'm feeling kinna sterek....or....Damn you hella sterek
by agape love May 07, 2006