A supposed friend, or wingman that causes distaste, aversion, or the authoritative driving away of potential snatch in a social setting. A cockblocker of the highest magnitude. An artisan, craftsperson or specialist in cock blockery, unrivaled in his finely honed craft of vaginal repulsion. Usually capable of providing an unproductive bearded clam hunt within one hundred feet of his amplitude.
"Wow, we might as well be fags with William here... our bearded clam hunt is fucked for the night!"
"No shit man, that guy has his snatch repellent game on big time!