Advance notice of something that will need attention.
Just a heads up that the customer is likely to escalate this problem...
by AKG August 31, 2005
Exclamatory warning indicating that one practice increased alertness to avoid harm from a pressing threat.
Dorm Resident #1: Is that an M-80 in the toilet?

Dorm Resident #2: Heads up!!!!

by kwashia March 29, 2005
Another words for the police...mainly said in New Orleans.
You do not want to get caught by heads up in New Orleans
by k-slim July 5, 2005
get ready for sex ( heads up code for my old lady is in the room )
my girl called said "just wanted to give you a heads up". I said, " at the mall ? hay thanks for the heads up ". My mom said "if you go the mall keep your head up".
by itichie_nocanpo June 24, 2006
Just wanted to give you a heads up so you'll be expecting his call.
by mandingoe January 19, 2005
To give someone a warning of iminent danger, trouble or strife.
Dude - Jonny's banging Daves wife! I best call him and give him a heads up!
by Jon-E-Boy January 25, 2006
To fight someone 1 on 1 with no one else getting involved
by Al-B April 7, 2006