1 definition by Peterparkerfanfic

Underoos

A nickname or name for undergarments that are tight, similar to that of spandex. Also used as a nickname from Tony Stark to Peter Parker in Captain America Civil War.

Tony Stark: "Alright, I've run out of patience, UNDEROOS!" Peter Parker (Spider-Man) flips in.

by Peterparkerfanfic October 1, 2017