This subject may have been covered already, if so, feel free to troll me as that will make you feel really smug/clever etc.

Loud and obnoxious person in group – usually male, usually unsuccessful with women. This person will try to make new comers feel awkward, as they know everyone (in their own group) and have pissed all off all those people to some extent already. Usually love new targets to abuse as new targets don’t know everyone else or the group social dynamic. They are essentially acting as Head Cock Blocker (HCB). The HCB essentially tries to keep new males from entering the group even though they themselves have no chance with the women already in that group.

To win over the HCB maintain solid eye contact, be absolutely fearless, speak loudly and mimic his body language. Upon “breaking” him he will become very giggly and may laugh uncontrollably at your jokes, he will then usually say things like “I LIKE THIS GUY!” or "YOUR ALRIGHT YOU ARE!" as you’ve passed his personal shit test to the group. After you’ve done that get the fuck away from him and get back to the women. He will be unable to help you with the women because he’s so fucking obnoxious and retarded and in love with them anyway. He just stands at the door to the group like the bouncer, once you’re in, no need to talk to him as he’ll likely chew your ear off all night seeing you as his new toy or try to be your wing and just make things awkward.