A phrase used for any moderately unattractive to unattractive girl who goes out of her way to rudely interrupt conversations and make awkward confrontations. Also typically dates a pretentious idiot who claims to have committed crimes he never committed (ex. stealing a "stupid" car, smoking pot).
Wow that girl is so unattractive and obnoxious that she must be Grant's Girlfriend.
by aguyperson December 13, 2011