Supergrass

a police informer who implicates many people

I think he's supergrass so watch what you say around him.

by Maurice Grant November 14, 2005

Supergrass

Named after the band, a very happy-go-lucky person.

"I'm feeling quite Supergrassy today"

by Trimm October 21, 2003

Supergrass

one of the numerous names for Marijuana

Can I score some supergrass off you?

by techweenie1 May 16, 2007

supergrass

a snitch; a rat; an informant. lowest of the low.

n. ireland is infested with supergrass

by patiolanterns February 3, 2014

supergrass

A very kickass Brit-rock band outta the UK. known not by many americans because they aren't played on MTV enough.

"Supergrass is a fine, fine concert to see. Indeed"

by Todd Everboat August 19, 2007

supergrass

A band that are talked about too much on the-vines.net

'are supergrass talked about too much on the-vines.net?'
'yes'

by Prof Knowitall January 7, 2004