a bit of the old grass

Translations
немного травки (в смысле марихуаны)
He was caught with a bit of the old grass in his pocket.
Его поймали с немного травкой в кармане.
Definitions
A slang phrase referring to marijuana or cannabis, often used in a nostalgic or humorous way to describe smoking or using the drug.
Words
bit

noun
кусочек
grass

noun
трава
old

adjective
старый