In any physical work environment where workers wear tool belts and occasionally remove them, this phrase is a call to arms (or to re-arm).
OK boys, break's over. Tool up!
by Chris Zizzo August 14, 2006
The act of acquiring firearms to go to war with a rival Gang, Crew, Set etc.
Used often in the series "The Wire"

Drug Dealer: Look man, all I'm saying if I'm gonna take you're package, split me and be fair. I got to pay all my people the same, and here you're upping the price on me.

Marlo Stanfield: Pay you're people less.

Drug Dealer: They my people, though.

Marlo Stanfield: Then short yourself... Split is 60/40. If you want better? You need to Tool Up and wait for Chris, Snoop, and the rest of my people, come pay a call on you're people.

Snoop: We will be brief with all you motherfuckers, I think you know.

Drug Dealer: A'ight. (Drug dealers walks away to go tool up).
by M I N N September 21, 2010
grab your pistol; get your gun.
yo son get the heater, dem boyz comin
by jgilla August 24, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×