looneytunes 

When somebody "loses" their reason and commits or performs an act of lunacy and or violence usually only seen on the classic cartoon series of the same name.

Dave went "looneytunes" when that guy looked at his girlfriend!

looneytunes by Stephen Forster March 11, 2005

Looney tunes 

Acting beyond crazy.

Chugz: What's all the fuzz about Rah dog?
Shanker: His friend K-man was literally on fire, and he tried to put it out the fire with a screwdriver....
Chugz: That's Looney tunes for ya!

Looney tunes by The Real Chugz July 9, 2009

Looney Tunes 

The granddaddy UBER-PIMP of all cartoons. It is tied with Pingu.

Watch them. It is without a doubt the biggest cartoon series ever and the funniest!!!

Looney Tunes by Psydon September 14, 2004

looney tunes 

Used in describing someone who is clearly sillly, crazy, or wierd.

"Why is Doug digging around in the trash dumpster?"

"He's looney tunes; he thinks he lost his New Kids on the Block CD in there."

looney tunes by jason112233 September 10, 2007

Looney Tunes 

old style cartoons that date back from 1930's to 1960. Directiors include charles m jones, frank tashlin, friz feling, robert mckimson, and bob clampet. Best cartoons ever

I watch my looney tunes dvd at leaset every week.

Looney Tunes by jedimasterjohnjr December 28, 2005

Looney Tunes Possy (T.T.P) 

Looney Tunes Possy (L.T.P)
A gang in 3rd ward TX. Flags are black. Mostly hispanic. A small but deadly gang. Rivals are mostly crazy crew, south west cholos, crips, and LP. They took over crazy crew. Still going strong in 3rd ward today.

Looney Tunes Possy (T.T.P)

Looney Tunes Possy (T.T.P) by andanotherone02 December 1, 2010

Looney Tunes 

Used to describe a group of fine ass bitches, who is clearly INSANE and weird. They're also often referred to as alcoholics but is HOT AS FUCK

Boy 1: Dude those bitches are so hot, but insane AF
Boy 2: IK bro be careful they're Looney Tunes!!

Looney Tunes by realfreak January 11, 2022