Top definition
a fake tennis fan who only follows the Grand Slams and none of the smaller tennis tournaments
S: Omg, did you watch Indian Wells last night? That Delpo match was insane!
N: Uhh... durr... what?
S: Ugh, you're such a Grand Slam girl.
by FThunder526 May 17, 2018
Get the mug
Get a Grand Slam girl mug for your father-in-law G√ľnter.