When someone says something and it is placed into the signature (on forums) or a profile as a quote.
psychopath129 (2:17:24 AM): so what if i have aids?
fozzythemuppeteeer (2:17:29 AM): LAOL, sigged
/sig/ is the self improvement board of 4Chan. It is full of absolute legends, and the only place other than /fit/ I would genuinely recommend on the Chan.
Person 1: Dude 4chan is just a bunch of lolicons and fags
Person 2: Have you looked at /sig/ or /fit/?
Short for signature. It is someones signature thing they do or something they do a lot. Originated in Sammamish, Wa around the year 2005.
Guy 1: "Graham just said something really dumb"
Guy 2: "wow that is so sig"
Short for "signature". Most recently used in relation to forum signature images.
Person 1: Have you been over to Allen's sig shop yet on the forums?
Person 2 (proudly): Not yet... I'm still using the sig from the last forum I was admin of.
Person 1: Dude... It's a pic of a baby in a diaper... This forum is about high-powered weaponry... Get a new sig, man.
a thug ass pistol made in Germany
thug niggas like lil wayne can often be seen brandishing them
"White wife beater with the Sig underneath it"- I'm So Paid, Akon Ft. Lil Wayne & Young Jeezy
to make fun of someone by their apperance, orientation,race, etc or to make it easier to joke on someone
"aye hitlers mama has one big titty and one small titty and they named the bitch biggie smalls"
"nigga if ya keep siggin on mah mama then nigga ill shoot yah!"