Peck - who owns Dallas tattoo shop Elm Street Tattoo - was married to Von D from 2003 until 2007.
"She’s the most self-centred person I've ever been involved with," he told In Touch.
"Toward the end of our marriage, she was wanting to get liposuction and she was taking drugs in order to lose weight."
Peck continued: "[It] got to the point where she was drinking until she was throwing up every day. She’d be incoherent and sometimes destructive."
He said that the marriage lasted until a mutual friend told him that Von D was "having an affair".
Von D is currently dating Sandra Bullock's ex Jesse James.
