When a person yawns and starts a chain reaction, thus "sharing air." Also to the point where you return the air and the person that first engaged in the act is now the reciever.
Steve: (Yawn)
Fred: (Yawn) Da(yawn)nm you shared air. (a form of sharing air)
(v.) To share files from your iPhone or iPod touch, using the Air Sharing™ app.
Dude, don't go downloading it from the Net, I'll just Air Share it with you from my phone.
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