GAB Meaning of GAB in English [gab] vi gabbed ; gab.bing [prob. short for gabble] (1786): to talk in a rapid or thoughtless manner: chatter -- gab.ber n [2]gab n (1790): talk; esp: idle talk [3]gab n (1939): gabardine 2. Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012