1. To ask someone somehting.
2. To call someone, contact them.
3. To go somewhere or do something.
1. "You should 'Hit Up' Tommy to see if he stole your buddha."
2. "Yo, 'hit me up' later bruvva."
3. "Let's 'hit up' this Drum and Bass Party tonight."
by Diego September 4, 2003
1. To go somewhere
2. To get something from someone
1. Let's hit up Jamba Juice
2. Hit up the units for some money
by Nix & BL June 21, 2001
To go to a place that offers goods, services or facilities that allow you to do something you need to do before or during a trip or errand.
Hmm, I'm out of cash. Excuse me, I need to go hit up the ATM.

It's a good idea to hit up the bathroom before you start a road trip. And you may need to hit up a gas station on your way out.
by Artscrafter December 9, 2005
to go tagg on some wall, bus, car, etc..
ay blood lets go hit up the bus
by Draz June 28, 2005
"Hitting up" is messaging a guy/girl you find attractive with the soul intention of making you and them an item at some point along the line or to just have a one night stand because why not.
I'm hitting up Rob up because he's gorgeous.
by babygirl2911 November 23, 2017
To visit or use a website
Hit up google.com to find the information you need.
by SomeCoWorker May 22, 2010