Short nickname for Sigma Chi fraternity: the best frat in the world since 1855.

SIG is a Service Industry Girl. This includes bartenders, waitresses, hostesses, etc.

The unique and/or distinctive signature one puts to be displayed every time he/she posts in a forum. Usually produced in Adobe Photoshop, it has a wide array of possibilities to be portrayed. There are many different sig styles, and entire forums are devoted only to the advancment of signature making.

sig or sigg
short for signature
often the name for someones uniqe picture they put in there posts
and its my name.

Abbreviation for a fraternity man in Sigma Chi.

to crack jokes on a person. To talk down on a person in fun.

its like the word sick, but its even more sick than usual, so its sig