booch /buːt͡ʃ/ noun2 •(informal) Kombucha.After a night of worrying, nothing soothes the stomach like a tangy bottle of ginger booch. •(slang) Cocaine.The fellows left and were probably going to get some booch, but that was their business. Floyd was standing by his car wondering what was taking Susan so long, when a cab pulled up. — 2011