GSI

Graduate Student Instructor. Terminology used at UC Berkeley.

My GSI was able to help me in the discussion portion of the class.

by Go Cal!!!! June 9, 2009

GSI

Synonym of SIF (secret internet fattie) for the Spanish Gorda Secreta de Internet.

"Hey Erdos, I believe this OkCupid profile is GSI compliant."

"Yeah, look at that strategic camera angle"

by Meherbaba April 24, 2007

GSI

An acronym for a "generic sexual inuendo".

"Thats what she said" is a GSI

by Trevor Davis 69 June 18, 2010

GSI

Is an acronym for the Greer Sucks Initiative. To show a webpage or product supports the initiative, put the following somewhere in the document:

This page is GSI Compliant

Jay> Man, did you see that transformer explode all over Greer's Accord?
Wes> Yup, I wonder why he parked under it?
Jay> I know why!
Wes> Why?
Jay> Greer Sucks!

by GsiCommish October 13, 2004

GSI

Google Search It

"Where can I get that video you sent me?"
"GSI"
"Thanks."

by Mutank March 3, 2009

GSI

gay screaming intensifies

senpai: so cute~
you: *GSI*

by Just Grimm The Gay Moth. January 14, 2020