Significant figures. Abbreviation often used in Chemistry class when measuring, adding, subtracting, multiplying, or dividing measurements.
Mr. Chudy: Watch your Sig Figs!
by Potatusman October 22, 2010
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On a community forum, placing a bet with another forum member where the agreement is that the loser has to accept the profile signature provided by the winning party.
I made a sig bet with hax0rz123 that Matt Hughes would beat Royce Gracie in their fight, and won. I made him put up a nuthugger picture for a month because of how stupid he was to make that bet with me.
by duerra September 1, 2006
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One Gallon of Arnold Palmer half lemonade and half sweet tea mixed with half fifth of everclear.

Invented by the Theta Chapter of Sigma Tau Gamma
Man that guy drank a whole gallon of Sig Taumer. He is going to be wasted.
by darklord2k August 31, 2009
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Sigma Fag Prepsalon - the "largest" fraternity in the nation which any jackass can join, cut them a check, sign on the line, and walk through the magic door of bullshit all in the same weekend. Whether they're known for being a bunch of pussy's or serving their famous roofie-colada punch at their parties, they're never known for anything good.
Sig Ep is known throughout the world as Sigma Fag Prepsalon. keep trying guys, maybe someday you'll get laid after a few more bowls of roofie punch.
by sig ep loves dong April 20, 2006
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Arguably the most popular and coveted handgun in the world. Used by countless Law Enforcement and Military Special Operations units in the world (including the British SAS and US Navy SEALs (P226) and US Secret Service Presidential Detail P228, P229)).

Slide not likely to rupture and break operator's jaw (like Beretta model 92s) or suffer severe Case Neck Blowouts (like so many cheap Glocks do).

Popular for their "To hell and Back" reliability.
Daym, the news said that NCIS Special Agent perforated dat terrist' ass with dat Sig Sauer!
by whoaps July 11, 2008
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annoying ppl spamming they're signature move
Lanz: *loses a game*
Lanz : I FUCKING HATE SIG SPAMMERS
by keenwhatelse January 25, 2021
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Sig wallah is a danish term basically meaning the same as "Word". It means "Say wallah" and is used to ask an individual if they are not lying.
"Yo, I just fucked twelve bitches last night"
"Sig Wallah?"
"Wallah."
by Albertious October 25, 2022
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