Definitions by Sandra C.
cock stock
Like stock art, a picture of a penis, vagina, breast, anus, etc. found online that is used by someone else as their own, usually in the context of a personal ad or cybersex.
Susie was really looking forward to meeting Bobby in person. But when they got back to his place and got their clothes off it was obvious that he had used cock stock. His penis was definitely not that big.
cock stock by Sandra C. October 10, 2008