FAS

Stands for "Fat Arm Syndrome"

A person with more than necessary arm fat.

"Can you see Mary's FAS flapping in the wind?"

by Lorla April 16, 2008

FA

fuck all - to do or understand nothing

i am a lazy cunt and i have done sweet fa all day

by bert March 11, 2005

FA

A guy who likes Fat girls. Commonly fat anime girls. They can range anywhere from 300 lbs to 2,000 lbs or more!

Jonny is a devoted FA.

by RandomGuy March 29, 2005

FAS

Flat Ass Syndrome. A bad condition where a person (usually a guy) has an unnaturally flat ass and makes their pants look like potato sacks.

Person 1: HOLY FUCK. That guy has no ass!

Person 2: I know! They must have FAS.

by lovely_cupcakes October 22, 2009

fas

1. "Fetal alcohol syndrome"
characterized by drowsy looking eyes that are unusually spaced out on a face. Not to be confused with akimow or akimo

2. "fat ass shit"
the shit that comes out of an overweight ass.

Jim: I heard you got fas
Rob: shut up. I got akimow
Jim: that's the same thing you retard
Rob: I thought you meant "fat ass shit"
Jim: No, that's what Marty produces after he takes off his bastedo
Rob: I thought that was bukake?
Jim: It's spelled bukkake akimow

by Rob January 25, 2005

Jeff-fa-fa

A name Jeff Dunham calls himself using the puppet Peanut, come across when Peanut is arguing that Jeff has an extra "F" in his name during "Jeff Dunham's Super Special Christmas Special".

Jeff Dunham: What?
Peanut: Jeff-fa-fa.
Jeff Dunham: Fa-fa?
Peanut: You're using an unneeded "F"!

by zaroyu November 24, 2008

FA

A ten-year-old that plays Fortnite normally virgins

it stands for 'fortnight addict "

"Doctor is my son okay"

"Nope, the nurse's tried to stop the virus but sadly he has gone full FA"
"no this can't be true"
"SHUT THE FUCK UP IT CAN BE TRUE; you fucking hoe.

by HARDITtheHERB March 19, 2019