an abreviation of the word signature. more specifially a basketball players signature shot. the actual shot called "siggy" originated from my friend Travis who would shoot a granny shot extremley high and over time it went from being called his signature to simply his "siggy". to shoot a siggy first u must cock the ball between your legs and then launch it into the air currents (as high or higher than the backboard). lastly as you release the ball you must yell the word "siggy" in a high pitched annoying voice (much like the sound a dog makes when it is kicked in the stomach)
Trav, stop shooting siggys! your gonna hit my gutters!
by quakerboy August 20, 2007
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A pot head, Some one thead smoke a lot of Weed or hash
thead dude is a totale siggi
by hanni March 22, 2007
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Referring to a basketball term. When someone puts the ball between their legs, cocks it, and launches it high into air currents!
Hey guys, Travis is outside shooting siggys.
by cameron allen September 13, 2007
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Also Siggie.
n. pl. Siggies.

A shortened form for "significant other."
I'm taking my siggy out to a movie this weekend.
by Dawn Arun September 24, 2005
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A dipping, motorcycle riding douche canoe who refers to others as Junior.
Mr. Lenski is definitely a siggy.
by Junior90 May 14, 2012
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a fireman that loves to eat Khandi's ..
Khandi got a hot siggy last night
by Khandi April 18, 2006
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a website built around making forum "siggys" for any user that requests one.
I just got a badass siggy from Siggy Nation
by SiggyNation October 4, 2007
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