Top Definition
The act of napping or sleeping spontaneously anywhere and anytime, with no warning at all. Usually accompanied by lack of sleep or stress. May be considered a skill.
Josiah: Did you see that episode?
Yvette: Yea. It was funny.
Josiah: Yea, it was. I wonder what happen's next.
Yvette: zzzzzzzzzzzz.....
Josiah: wow. she just insta-napped on me. :|
by ruggedly handsome brown dude March 16, 2011

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