FLS

Short for Fake Lat Syndrom. FLS is when you use your side to push up your biceps so they appear larger.

Girls: Yo! Dayden's biceps are so BIG!!
Guys: No he just suffers from FLS

by Major Wang July 11, 2017

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FLS Syndrome

A syndrome found in 23% to 34% of the general population of people who smoke weed or consume cannabis products, characterized by increase in body weight (Fat), reduced energy/motivation (Lazy), and a decrease in intellectual speed of recall, calculation and reasoning (Stupid).

Smoking weed gave me FLS Syndrome, and I’m fat, lazy, and stupid enough already, so I replaced it with meditation.

by BobSaintPete February 17, 2025

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Related Words

FLS • FLSS • FLS Syndrome • FLSFC • FLSM • Foggy Lense Syndrome (FLS)

Foggy Lense Syndrome (FLS)

A condition where the protagonist defies all logic and makes an outrageous out of this world comment that leaves the audience dumbfounded

Ambreen's at it again with her Foggy Lense Syndrome (FLS)

by PicanteMexico June 4, 2010

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FLSS

When someone's just being a bit of a fat lazy slag. Can be used to describe how someone is acting.

FLSS = Fat lazy slag syndrome

God, is it me or is Sharon suffering from FLSS?

by sachishagger July 15, 2019

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FLSFC

Full Length Sub Frame Connector(s).

Structural Metal components normally consisting of square or rectangular tubing that is welded to a car's chassis to stiffen the unibody.

I had to put FLSFC's on my car so it would go around corners, preventing the chassis from twisting like a pretzel.

by ac427cobra April 11, 2013

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