Brownie point

“A notational credit for an achievement; favour in the eyes of another, esp. gained by sycophantic or servile behaviour. 1963–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

brown-nose

“1. A sycophant. 1939–. . . . 2. To curry favour (with); to flatter. 1939–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

brown sugar

“A drug consisting of heroin diluted with caffeine and strychnine. 1974–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

green

“Marijuana of poor quality. 1957–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

green-ass

“Inexperienced. 1949–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

greenback

“1. A dollar bill. 1870–. 2. surfing = Greenie. 1965–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

greenie

“A large wave before it breaks. 1962–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

green pea

“An inexperienced person, a beginner. 1912–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

mellow yellow

“Banana peel used as an intoxicant. 1967–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.

milkie

“An opaque playing marble. 1908–.”

—Stone the Crows: Oxford Dictionary of Modern Slang, second edition, 2008.