1 definition by notahofosho

what happens when you're around an insanely hot guy who has some combination of sexy traits; they often have a badass attitude. You know they're so wrong, but that makes it so right....you can't control yourself around them at all and BAM! instaslut. it's hard to explain but you'll know it when you feel it ;)
EX 1:
girl a: I saw Jude Law the other day!!!
girl b: omg and?
girl a: i talked to him. his accent and his body and his attitude....mmmm....I couldn't control myself!
girl b: that's the instaslut effect for you!

EX 2:
guy a: dude, my gf broke up with me.

guy b: aw man what happened
guy a: we were at this party and this douche started flirting with her....she went instaslut.
by notahofosho March 14, 2010
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