When the situation at hand gets way out of hand.
The infrastructure in Winnipeg causes rush hour traffic to turn into an abortion fire. Took me 3 hours to get home.
The act of pouring hot sauce down your weiner while getting pegged.
Me and my girl tried an Arizona Fire Rocket last weekend.
Covering fire: The act of farting loudly in a social situation so as to distract attention from a friend who has way worse gas than you.
"Steve man, those beef and bean burritos really worked me over. Thanks for providing covering fire for me at the party last night."
When you hit your friends vape or a penjamin and you can’t stop coughing.
Friend A: Hey, hit my vape!
Friend B: Okay!
*coughing*
Friend B: SHIT! Damn Fire Cactus!
You are free to execute with reckless abandon. Or in otherwords, you have a green-light.
Person 1: Hey do can I send these documents to the publisher?
Person 2: Did you proofread everything?
Person1: Yes
Person 2: Okay, then fire away.