Top definition
a situation in which men feel the need to prove their masculinity and compare dick size, due to egos being challenged.
"Quasimodo asked me like 20 questions about an intubated PT we just brought him I think that bitch is trying to peacock up."
by Asianprincesshriz March 30, 2017
Get the mug
Get a Peacock up mug for your mate G√ľnter.