To put something in one's sig.
That was such a good quote, that I just might sigmatize it on Halo 3 Forum.
by Zalak September 13, 2007
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A sigmatic is the type of senile old man who plays FGC games and gets their Twitter @ stolen by dudes named Tom Robinson
Tom Robinson: “Haha beat cha on the name grab. We know who the REAL Sigmatic is here pussy boi. Cry me a river.”
by Obama_658 March 3, 2021
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