1 definition by Bbadbhabie

1
A really fat girlfriend that is often dated by men of small stature
Guy 1: Hey hows your new girlfriend?
Guy 2: My Lumpy Space Princess? Really good. I just had to calm her down the other night with breadsticks from Olive Garden.
by Bbadbhabie October 07, 2019
Get the merch
Get the Lumpy Space Princess neck gaiter and mug.