Top Definition
The act of pulling your shirt up over your nose to make use of the reserve of air in your shirt that doesn't stink. Usually done when no one else is there to ridicule you for being a wuss.
Dude, someone dropped a deuce in the mensroom that was so bad I had to switch to shirt air.

Hah, Jim is such a girl, someone farts and he instantly switches to shirt air.
#shert air #shert aer #shirt aer #shit filter #shurt air #shurt aer
by azuremint September 02, 2010
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