Madjack 

A person that is a brony.

That guy is obviosly a madjack.

Madjack by Anonamos February 19, 2013

Mudjacking

Uh...using poop as a masturbatory lubricant.

Steve walked in on his roommate and caught him mudjacking.

Mudjacking by IWhoAmNotHe October 7, 2009

majjack

something we all hate

This pizza tastes like Majjack.

majjack by Adept October 30, 2004

manjack 

Manjack: an individual of either sex, or any age in the Caribbean (Barbados) dialect.

E.g. Every manjack had better pull up his socks and do what he has to do; or else.

manjack by blackberryjuice August 26, 2013

maidjackwalten 

A tiktoker who is concerningly obsessed with Jack walten 😍!!

Who's maidjackwalten?

Uhm the kindest and funniest person ever obviously?? 😭

maidjackwalten by pizzabitesgal February 9, 2022

Mad Jack 

The dark and evil counterpart of Samurai Jack. He only appeared in one episode called ''Jack VS Mad Jack''. Mad Jack is a badass, a samurai, an illusion, a clone and a master of all fighting skills. He is also mysterious and rowdy.

Mad Jack is cool but he's so angry

Mad Jack by CollectorofSouls November 11, 2014

madjacker 

An individual who violently jacks off every time he (or she) experiences mental frustration.

Do you know how I know Dave is a madjacker? He has signs over his bed with arrows pointing towards him that say "madjacker."

madjacker by Chris Frosh October 20, 2007