- bugbug1 [bug]n.[prob. < BUG2]1. any of an order (Hemiptera) of insects with sucking mouthparts and with forewings thickened toward the base, as a water bug or squash bug: also called true bug2. any small arthropod, esp. if regarded as a pest, as a louse, cockroach, or centipede☆ 3. a defect or imperfection, as in a machine or computer program: somewhat informal when used outside of a computer context4. Informal any microscopic organism, esp. one causing disease; germ or virus☆ 5. Informal a tiny microphone hidden to record conversation secretly☆ 6. Slanga) an enthusiast or devotee: often used in combination [a shutterbug pursues photography as a hobby]b) a particular enthusiasm or obsession☆ 7. Slang a small, compact automobile8. Slang the weight allowance (5 pounds, or 2.3 kg) granted to an apprentice jockey for one year after the riding of five winnersvt.bugged, bugging☆ 1. Informal to hide a microphone in (a room, etc.), as for recording a conversation secretly2. Slanga) to annoy, bother, anger, etc.b) to confuse or puzzlevi.Slang to bulge or open wide, as in amazement: said of the eyesto bulge or open wide, as in amazement: said of the eyes——————☆ bug off Brit. or bugger offSlang to stop annoying someone and leave: also Brit. bugger off——————☆ bug outSlang to run away; desertbug2 [bug]n.[ME bugge, akin to Norw dial. bugge: see BIG]Obs. a bugbear; hobgoblin
English World dictionary. V. Neufeldt. 2014.