look up any word, like cleveland steamer:
 
3.
Unstopable or the shit!
that new lloyd banks shit is on fire
by Josh April 30, 2004
 
1.
A term that people use when someone is doing great and they are unable to be stopped.
Man, that dude is on fire
by lunar shadows September 16, 2004
 
2.
A state of mind in which people believe that they are unstoppable and can do anything they want--and they do.
Allen Iverson was on fire, he was making every single shot he took.
by kane April 27, 2003
 
4.
a state of being when something or someone is engulfed with flames
Guy #1: Hey man, that guy is on fire
Guy #2: Holy crap! should we get a hose or something?
Guy #1: Naw, just tell him to stop, drop, and roll
by Sean on Hartford May 05, 2006
 
5.
a female who is extremely attractive; beyond hot.
for emphasis, pronounced : "on fi-yeeaarr!"
damn! Joes girlfriend is on fire!!! i wish i could get me some of that!
by Anonymous August 28, 2003
 
6.
The condition of a bar which is conducive to acquiring a proper blackout through ripping numerous shots of cheap alcohol.
Dude 1: Hey man let's go to O'hara's and get fucking blacked out. I heard it's on fire.
Dude 2: I'm down, O'hara's is always on fire.
Dude 1: On fire.
by uchibroto December 23, 2012
 
7.
Being fucking crazy
Are you fucking on fire?!!
by Eja September 06, 2013