grass up

1. slang To inform against a criminal or wrongdoer to a figure of authority. A noun or pronoun can be used between "grass" and "up." Primarily heard in UK. It turned out the drug dealer was under police protection, as he had been grassing up his suppliers for years. Why would you grass me up to the teacher like that?

2. To add elements of bluegrass music to a song, or to perform a song in the style of bluegrass. A noun or pronoun can be used between "grass" and "up." Primarily heard in US. We brought in a few banjo players to grass up the song a bit. The guitarist recorded a new version of the famous song, grassing it up a bit to make it sound her own.

词组	grass up
释义	grass up grass up 1. slang To inform against a criminal or wrongdoer to a figure of authority. A noun or pronoun can be used between "grass" and "up." Primarily heard in UK. It turned out the drug dealer was under police protection, as he had been grassing up his suppliers for years. Why would you grass me up to the teacher like that? 2. To add elements of bluegrass music to a song, or to perform a song in the style of bluegrass. A noun or pronoun can be used between "grass" and "up." Primarily heard in US. We brought in a few banjo players to grass up the song a bit. The guitarist recorded a new version of the famous song, grassing it up a bit to make it sound her own. See also: grass, up Farlex Dictionary of Idioms. See also: grass on (one) grasse snitch on snitch on (one) angle angling not do (someone or oneself) any favors involve with involve with (someone or something) involved with
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