FSM

noun;acronym for being in "FUCKING SCIENTIST MODE"; often induced by alcohol or by intellectual beat downs bestowed upon a grad student by their adviser.

Sorry bro, no time to talk, I'm in FSM after I drank a pitcher of margaritas at La Fiesta tonight. I might actually have a shot at getting out of this hell hole if I can get some of these protocols approved.

by SASbandit January 24, 2012

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Flaka, Smartass, Malicious
a group of 3 friends that are so badass but each of them have their own personality

These three girls are SO FSM.. They are so opposite from eachother.

by SmartassofFSM April 03, 2009

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Field Service Manager

We have problems - better call the FSM.

by vaeren January 13, 2007

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FEMININE SUPER SEXY MASTURBATION

when a gurl ages 15-18 massages the outter and inner walls of her vagina or butthole with her finger, a capped marker, or a bananna is what is decribed as FSM

by Shawman of Sexy November 01, 2009

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