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1.
Acronym for "Go suck a dick."
"gsad."

"what?"

"go suck a dick."
by GSAD July 10, 2006
 
2.
An acronym commonly used on the Internet which means "Go Suck A Dick."

Derives from an America Online Member. The term can also be used with the term "You Got Served."
Omfg, GSAD. You got served.

Ha! You think you owned me? GSAD.
by Jesus H. Christ May 18, 2004