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. :|
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 April 2, 2011

Word used by someone who is not very educated when it comes to social media. Someone that assumes all social media platforms are the same and are stupid, for kids, and is being a smart ass.
by Mr_NeverWrong July 15, 2018

when a wound occurs, such as a papercut, and begins to bleed immediately, normally resulting in a bloody mess.
Tiffany: "Ouch!..Dude that was a wicked paper cut i got just now."
Stephanie: "Ooooooh! That one's an insta-bleeder!"
Stephanie: "Ooooooh! That one's an insta-bleeder!"
by chicklet55 February 4, 2009

by Cheris May 3, 2006

by BuddyRia April 7, 2016

by Chubbalicious January 13, 2015

Short for instant favorite. Used when the option 'favorite' is available to show you like something.
"I was on DeviantArt the other day and found this awesome photograph, which was a total insta-fav in my opinion."
by TehShush March 9, 2009
