Basil Brush
noun
1
marijuana. From the herb 'basil', thus punning on WEED (marijuana), elaborated as the name of a elevision puppet; at times shortened to a simple 'basil' UK, 1996.
2
the vaginal infection Candida albicans, commonly called thrush. Contemporary rhyming slang, based on a puppet fox with a distinctive laugh (Boom! Boom!), popular on children's television in the 1960s and 70s UK, 2002