Noun: a carrier of such traits as a total fucking tease, sex noob, or general lack of sexual knowledge
e.g. "Dude, Maya is a vagoober, don't even go there"
Adjective: unclean, torn up, used or otherwise less than average ladyparts.
e.g. "dude, her snootch is vagoobers"
Verb: sucking in bed, to engage in the act of being a tease, sexual misconduction.
e.g. "nah man, she fucking vagoobered me"
He is vagoobers girl, little dick, big ego.