1. Indicates that a person is abnormally interested in plants, gardening or anything related to nature.
1. At the party last night, Keith bored everybody with his gardening stories. When he told me about his new bonsai project, I almost fell asleep. What a birch ass nigga.
2. "Get off my property, you birch ass communists!" yelled the senior citizen when he discovered the youths sitting in a circle around his tree while smoking pot.