Blac Chyna's not the only one who blew it with her sex tape performance -- her ex-BF's lazy attitude is just as much to blame ... according to the sex expert, the "Head Doctor." Chyna's been slammed online since the video with Mechie leaked, with…
TMZ Staff, TMZ
Wed, 02/21/2018 - 2:18am
Blac Chyna's not the only one who blew it with her sex tape performance -- her ex-BF's lazy attitude is just as much to blame ... according to the sex expert, the "Head Doctor." Chyna's been slammed online since the video with Mechie leaked, with…