A male with in depth knowledge of the female genitalia and heterosexual sex practices. Often provides advice to the sexually challenged through anecdotes, diagrams and group porn viewing sessions. Can typically be found napping on the couch. Should you need immediate assistance "fuck your life"
Guy: I don't know why I can't get my girl off.
Friend: You should go wake up the Pussologist.
Can be viewed in ameteur porn featuring girls with labia that protrudes at least an inch or more from the clit to choche. When fucking in the girl on top position represents a plunger smashing down on a hot dog. When fully consuming the penis, it resembles a toadstool.
Guy: Last night the plunger puss pulled the condom right off.
Friend: Dude! I wanna see!
Guy: The Pussologist taped it.