S C O T T
Normally Scott tends to wrap an arm around your waist to subtly tell the guy that you're his. If this doesn't faze the guy hitting on you Scott will kiss you deeply and normally when this happens his eyes glow red. Usually the guy sees Scott's eyes and immediately runs away but if they don't Scott brings out the claws and fangs for good measure.
S T I L E S
When someone hits on you Stiles tries his hardest to let you handle the situation but usually eh ends up getting impatient and trying to rectify the sitaution himself. This usually backfires like the last when he had a go at the person hitting on you and Stiles got thrown into one of the lockers at school. Luckily it was near his locker so he got his baseball out and knocked the guy out. Stiles had to take a visit to the Sheriff's station and not because he was visiting his dad.
I S A A C
No one hits on you. NO ONE! That's because everybody knows you and Isaac are together. Isaac is always making out with you against your locker so that all the boys in the hallways know that you're not their's to touch and hit on. Also once without you knowing Isaac taped a sign saying "Property of Isaac" on your back which had a sign pointing down at your ass.
D E R E K
If somone hits on you then Derek is subtle about his actions. He starts with a death glare that usually makes the guy sweat buckets but if his stare doesn't do the trick. He takes off his leather jacket to reveal his bulging biceps a secret way to show that he could beat the guy up. Then he engages in something he never normally does - PDA, he grabs your face pressing his lips onto yours in lust and hunger. The guy is always gone before you pull away shocked from the kiss.
L I A M
When somone hits on you Liam stays quiet because he doesn't want to get angry and do something he'll regret. If the guy starts getting touchy feely with you the he texts Scott knowing that Scott hates guys hitting on you just as much as he does. When Scott arrives Liam and him team up and tell the guy to back away and when he doesn't they bring out the claws.