Wedgie

Her brown wedgies squeaked with discount price defiance, as she walked redly and pinkly along the broken brick sidewalk.

Source: wiktionary

If the strippers learn that there is a bachelor party, they will often call the groom onstage and publicly embarrass him. They may tie him up, whip him, tease him, give him a wedgie, cover him in whipped cream, beat his ass with a belt, put a dog collar on him, walk him around the stage like a dog, and/or humiliate him with whatever objects are at their disposal.

Source: wiktionary

When Laura tells Bart that she can teach him to dance, Bart and Laura are suddenly transformed into Astaire and Rogers in a black-and-white fantasy sequence before Bart’s reverie is abruptly ended when Laura reverts back to bratty tomboy form and gives him a wedgie.

Source: wiktionary

I thought, maybe she had an uncomfortable wedgie or something and was trying to work that out. I looked away thinking how embarrassing it must be especially with people staring.

Source: wiktionary