The act of going to a store to try on an article of clothing, just to get the size to buy it online later.
Gabe is trying to buy a new soft shell jacket online, so he's gotta go to the Arc'teyrx store to fit it and quit it.
by fit it and quit it July 19, 2014

by ladinbootle May 19, 2016

A reconnaissance operation where a man tries to find more information, usually looks, on a female of interest. FIT is an acronym for Facebook, Instagram, and Twitter as those sites have the highest probability of containing relevant information.
Guy 1: This girl on Tinder is a babe. I'm going to swipe right.
Guy 2: You should commence Operation FIT, so you can find out if the photos on her profile reflect how she looks in real life.
Guy 2: You should commence Operation FIT, so you can find out if the photos on her profile reflect how she looks in real life.
by Sultry Santa August 23, 2019

by xxbritxx May 10, 2018

Soft-serve frozen dessert that tastes like ice cream & looks like ice cream except it has more protein than fat and more protein than sugar. Always made without corn syrup and artificial ingredients.
by KSPC September 14, 2019

by Paddyvibes August 15, 2015

The area of perspiration on an individual's pants/shorts in the butt-crackal or taintal region made visible to the eyes of the surrounding audience; most commonly associated (but not necessarily) with strenuous activities - such as working out.
Hey dude. . . before we go out in public, you gotta do something about that gnarly fitness stain you have goin' on down there! Does that not bother you?
by Stupidjerkheadface June 17, 2016
