1. something resembling or suggesting this, as a thick, shaggy head of hair. Sometimes oily with little white bugs.
2. slang: the intensity and demoralization of the 43rd President of the United States. A form of cursing.
Person A "I'm growing my bush out."
Person B "Must have just started."
Person A "Nope."
Person B "...?"
2. You just lost your home, "Bush."