Wankconteur
Someone who litters their general conversation with stories about or references to sex, having sex, girls they'd like to have sex with, girls they have had sex with and girls they'd never have sex with as well as words for shocking sexual acts they looked up on Urban Dictionary. Usually end up with the ugliest swampdonkey of a woman if at all.
Mark spent most of the night talking about being in the saddle with Nula for most of last weekend, everybody knows she's been sick with a bad case of gonorrhea so i think he's being a bit of a wankconteur