Def Leppard

The best band of all time.

“Have you heard of the band Def Leppard?”

by rockandmetallover November 26, 2021

giacomo def

Italian composer.

Giacomo Def is an Italian composer.

by Kikolokilo November 10, 2019

Def

The slang way of saying "Definitely"

ya man ima def bust a nut to that

by Joe_MTheThreed August 18, 2022

True Def

One who doesn't have a clue what the hell they are saying.

A kid that goes to Starkville and gets messed up.
Dumbs that have trucks but don't use them.
People that dip.
Anyone that thinks they are a bulldog.
Anybody that chides

Wow, that kid is being a true def!

by a one dumb kid November 5, 2009

annoying (EKG def.)

When someone is funny, cool, a brown marcus stoinis greek-god like figure of power and authoriy

This bruddas hella annoying (EKG def.)

by former_child July 7, 2025

def pen

A Brooklyn-based online lifestyle for music, sports, fashion, movies, food, tech, travel, art, and everything Black culture.

Did you read that new Don C interview on Def Pen?

by BrooklynMade718 November 24, 2021

Apex def

It’s for boys that are bad a fortnite

Apex def is the worst game in da world

by Jigsawgaming75 May 21, 2019