Ghost Fucker

Someone who consistently claims to have one or more sexual encounters but NEVER specifys a name or anyting.

A Ghost Fucker will always avoid giving any information of whom they had a sex with but still claims to have had sexual relations with said unknown person.

Chad: Yeah bro I totally crushed two girls the other day I had them screaming bro!
Fred: Oh really who were they?

Chad: Aw come on bro, no face no case.
Fred: Chad, don't be a ghost fucker.