gank 

some really bad powder, or cocain.

when a dealer puts unknown substances in cocain, either to get a better profit or to make it more addicting.

usually makes you act or feel crazy

not pure

"man sold me some gank, im a bust heads when i come down"

"this gank sh!t got me feelin psycho"

"ya boi got you on some harsh gank"

gank by animalistic_instincts August 6, 2009

gank 

noun: a person who is a perpetual hater. smells like a goat, and talks in their sleep.

Shut up Dorian! You're such a GANK!

gank by ashamamalangthum July 26, 2011

gank 

To take something from someone on the band bus, band room, or the field without their consent.

Ha! I just ganked your trombone!
I ganked your chex mix.
I ganked your shoe and tied it to the seat on the band bus.

gank by Emily October 24, 2004

Gank 

to jack, rob, steal something

he fucked my sister so i fucked him up and ganked all his shit.

Gank by Kyle99 January 11, 2011

gank 

commonly reffered to in the video game "Halo" it is the process of hitting someone with anything in your hands. also known as melee.

"Man, i just ganked the fuck outta bobby with the flag!"

gank by Marcus Bortman and Stephen Puffer and Michael Brown November 20, 2004

gank 

Since the late 80's, my circle of friends has used the term "gank" interchangably with "screw", "screwed over", or "to rip on" or "to tease" or "to get over on".

"He's just pissed off cause you ganked him when he said he liked the Angels"

"Dude ganked me, he sprayed shaving cream all over my car!"

gank by Bill Gorske April 9, 2006

Gank 

Meaning To Steal and Leave

Like a hit and run

"Man ma-fucka we gotta gank and peel"

Gank by Melnie August 30, 2005