Stute Fish
an ugly girl that pretty girls hang out with to make them look more attractive in contrast
Girl 1: Hey, do you want to hang out with me and my hot friends?
Girl 2: But I'm ugly.
Girl 1: You can be our stute fish.
Girl 2: Okay.
Girl 2: But I'm ugly.
Girl 1: You can be our stute fish.
Girl 2: Okay.