Manmatics

Mathematics used by men to determine if a girl is hot or "boneable" with truly no mathematic basis, but instead the twisted logic of a man "in the mood".

Guy A: "Manmatics dictates that the Pink Ranger from original series equals bone"
Guy B: "Agreed"

Manmate

A heterosexual male who resides platonically in a shared living space with a heterosexual or homosexual female.

Courtney: You live with a dude? Are you guys sleeping together?
Jesse: No, John's just my manmate.