bullcock Share definition Flag The connotative meaning, and how I define it, is "bull shit!" "yeah right!" when a woman or man says something that is a lie. A guy says he loves me but I know he's just saying it to get sex tonight.I say, "Bullcocks!" bullcock by lovely2011 July 4, 2011 0 0 Get merch Get the bullcock mug. Buy Now — $32.95 See more merch