Shank (2009)

Teenage gang member Cal, hides his sexuality from the his fellow happy slapping gang members despite their often futile and violent dislike of anyone that isn't the same as them be they unsuspecting shoppers, foreign students, gays etc. Hooking up with a random stranger (Scott), Cal is unaware that this chance meeting will eventually provide him with choices and routes of escape from the tedium of his unambitious and depraved life. When his world collides with Olivier, a student he rescues from a pointless beating, he encounters a lifestyle that presents as many new experiences as it does obstacles.