look up any word, like the eiffel tower:
 
1.
A warrior/mage hybrid, generally using magical powers to enhance his or her abilities in melee. From the Githyanki word " 'gish", meaning 'skilled'.
Dude, IDK what you're talking about -- Necronomiconomics is a huge gish skill until Tenebrous Rift.
by Yes, *that* Essence February 12, 2013
 
2.
(verb) to do something halfway; to not see something through to the end
"dude, you totally gished that beer."

"dude, where did you go last night? you totally gished that party."

"what's up with all these half-drunk beers? where is mike gish, i have to yell at him."
by bigsexy242424 March 20, 2009
 
3.
means to be telling the truth. being for real
I hate when she be talking trash...G'ish!
by freshazimiz December 22, 2005
 
4.
Debut album of the Smashing Pumpkins. Not as highly noted as masterpieces Siamese Dream and Mellon Collie and the Infinite Sadness, but still, excellent. Highlights include Tristessa, Rhinoceros, and Crush. Discover this.
What the fuck is that on the back of the Gish cover??

It's a sacred heart.
by Funnii_Zoso July 02, 2004
 
5.
Created in 2004 by Chronic Logic software, Gish has become one of the most prominent independent games of it's time. It's innovative gameplay is thanks to expert programming Alex Austin and the creative talent of artist Edmund McMillen.
I finally beat Gish!
by Josh Abrams March 05, 2005
 
6.
Gush + Jizz: When semen escapes with vigor from a well-used vagina.
That bitch gished all over my rug.
by sooron June 19, 2007
 
7.
An exclamation expressing a combination of a sigh and surprise, with overtones of disgust or irritation.
You slept with your best friend??? Gish!
by ForrestHorn March 23, 2006