supergrass

supergrass

1. slang An informant who gives evidence against their associate(s) or accomplice(s) in exchange for immunity or reduced sentencing, especially in high-profile or large-scale criminal trials. Primarily heard in UK. The supergrass was facing over 30 felony charges, but he ended up only receiving a two-year prison sentence because of all the evidence he had supplied Scotland Yard about his criminal associates over the years. Little did we know that the mild-manner Mr Collins next door was really a supergrass who had been placed in witness protection.
2. slang Marijuana laced with phencyclidine (PCP). Be careful—he's high on supergrass and could turn violent on you! I only tried supergrass one time in college, but I got so out of my mind that I thought I would never feel normal again. Needless to say, I haven't touched the stuff since.
Farlex Dictionary of Idioms.

supergrass

n. high-quality marijuana. The cannabis that is the richest in resin is sometimes called “supergrass.”
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • lobby
  • lobby against
  • lobby against (someone or something)
  • have (someone) in (one's) corner
  • have in corner
  • associate
  • associate oneself with
  • associate with
  • in profile
  • vaccinate against (something)
References in periodicals archive
The 2010 decision to disband Supergrass, whose first album I Should Coco was the fastest-selling debut on the Parlophone label since The Beatles' Please Please Me in 1963, wasn't one any of the four-piece (Gaz's brother Rob joined officially in 2002) took lightly.
According to British media reports, Supergrass had been working on a seventh album in 2009, and it is not clear whether any of the new material will be released.
In 2008, Supergrass also went through an acrimonious split from EMI.
Supergrass remain a tight live unit and their anthemic hits are delivered as impressively as ever.
Supergrass was the group that members of the new wave of Indie bands, including Kaiser Chiefs and Arctic Monkeys, were listening to in their bedrooms as teenagers while dreaming of escape.
Supergrass still leads with Gaz Coombes's overdriven guitars, perhaps the only distraction--and admittedly a personal quibble about how some bands ought to shape their sound--to this superb collection of headlong pop concoctions, which, like our last look at them In It for the Money (No.
And whilst I have definitely wound down, Supergrass seem to have lost none of their trademark verve or energy.
They have already interviewed a potential witness to the Kieran Keane murder with a view to making him a supergrass.
As Gaz suggests, people are often suspicious of artists trying to forge a new career for themselves after the kind of success that Supergrass enjoyed in the 90s.
SUPERGRASS split in 2010 after 17 years together but singer Gaz Coombes hasn't said goodbye.
No doubt the biggest is Supfront man GAZ COOMBES whheads to the Georgian TheatrSunday night for an incrediblintimate gig as part of his UK After six successful albums Supergrass (including the nuone debut I Should Coco), GaCoombes is back with his tremendous debut solo album Come The Bombs.
WITH their effervescent 1995 single Alright, Supergrass perfectly captured in three short, spiky minutes the zeitgeist of Britpop.
Q When you, Mick Quinn and Danny Goffey disbanded Supergrass in 2010 did you ever contemplate leaving music altogether and getting, for want of a better phrase, a "proper job"?
THE year saw the West Midlands Serious Crime Squad immersed in an investigation with a robbery 'supergrass'.
The figures come just weeks after detectives used a drug-dealing supergrass in an effort to convict feared Tyneside hardman John Henry Sayers for masterminding a jury nobbling plot.