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1.
The amount of time between when the light turns green and the guy behind you blows his horn.
I'm outa here in a nonosecond!
by barfle May 10, 2007
 
2.
Also known as SRT (Sphincter Reaction Time), is the small amount of time between the urge to pass gas and the determination that there could be solid or liquid in said gas passage.
I caught myself in the nonosecond before staining my kilt.
by maxamize June 30, 2009