(v).: the clenching sensation felt in the anal and peri-anal regions following visual input from stimulus commonly found as revolting, painful, unimaginable or otherwise unwanted by the observer; (ant.) butt-cringe.
Oh my freekin' God! I walked in on my roommate to find him bleeding while getting fisted by his male lover on the kitchen table! It totally made my BC.
by Tristan 2 November 21, 2007