Wedgie

A wedgie is the act of forcibly pulling a person's underpants upwards from the back.

Wedgies are commonly featured in popular works, either as a form of low comedy or as a behaviour representative of bullying.

[3] Wedgies, especially when performed on males, can be dangerous, potentially causing testicular or scrotal damage.

An incident in 2004 involving a ten-year-old boy required reattachment of a testicle to the scrotum.

[4] As a prank or form of bullying, there are a number of variants to the normal, or traditional wedgie.