to let something go, let something loose, to finally relieve something
When you live in Texas and the air-conditioner in your high school stops working. Often results in half of the students ditching class.
Logan! Call your parents. School is air-conditioned out!
When a girl forgoes underwear, particularly when she hasn't cleaned herself properly and smells of fish.
It's not that alluring when she decides to air out the fishes. Because that's all we can smell when she passes by.
The act of shooting a place up using a firearm in any specific place.
Sam: Ugh I hate this place
Alex: lmaoo me too
Sam: ima air out.
Alex: aye chill bro
Launch tacoma greater than or equal to 30 yards in the swamp
Forrest really aired that motherfucker out last night.
Throw hard punches and you can hear your punching in the air.
You want to air it out, a little fist to fist combat?