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Instablast 

1) v. to "like" every image in one's Instagram feed in a single, continuous session without regard for the quality of or interest in the content.

2) v. slang term used by millennials to describe a sex act by a male who prematurely ejaculates.
It took me forty-five minutes to Instablast, since I hadn't looked at my Instagram account in several days.
Instablast by joshuaware January 25, 2016

instabust 

Upon seeing a chick so hot, you instantaneously cream your pants. It's like a super-fast wet dream, but awake and in public. Often used in hyperbole since guys don't actually do this, except lame-ass premies.
Guy: Dude, did you see how tight that chick's ass was?

Guy 2: Yeah man. I just instabusted.

************************************

*As you pass a hot girl*

Dude: Instabust!
instabust by SpicyKB October 20, 2007

instaghosted

when a Tinder match instantly deletes you
Diane was pissed after hunky Charley matched with her on Tinder only to find he was gone. “that cunt instaghosted me!” she yelled to her roommate
instaghosted by Uncle Joosie May 16, 2020

Instablista 

Burning yourself with something so hot that it instantly becomes a blister.
*burns self with caramel from caramel apple getting an instant blister* HOLY POO I GOT AN INSTABLISTA!!!
Instablista by TayNation July 11, 2010

instabook 

1. Slang used by the elderly for popular photo sharing website Instagram
2. The posting of a picture on instagram
1. Whatcha doing? you instabooking?
2. that's a nice photo you should instabook that
instabook by Greyham June 15, 2013

Instamoist 

When women and male feminists genitals get instantly lubricated by precum or lady juice the moment they are excited by something i.e. 50 Shades of Gray, One Direction, Feminist Frequency.
John: Oh did you see they're making a cross over of Fifty Shades of Gray and 12 Years A slave?
Peter: Yeah I saw the lead actor will be some coked up nigger into bondage with white women.
John: I heard Scott in accountings wife got INSTAMOIST because she has a thing for black men, I hear Scotts a bit of a cuck.
Instamoist by suburbanmayhem February 16, 2015