Guy1: That guy sucks at getting girls.... Guy2: If only he'd stop self-cockblocking, then just maybe he'd lose his virginity.
by Xero _ Manifest October 22, 2010
A self caused cockblock, with so much blocking power, it can only be caused by a major act of stupidity; Brought upon by themselves with good intentions for the receiver, but ended up bitting them in the ass. SPTC for short.
Guy 1: "Ha! That creeper just asked the hottest girl at university for nude photos via text!"
Guy 2: "He's got major Self Propelled Torpedo Cockblock now; He's never getting laid."
Guy 2: "He's got major Self Propelled Torpedo Cockblock now; He's never getting laid."
by c.NEWBY;m.MANYARD;m.CAMERON May 28, 2010