n. & v.
--n.
1. a any of various hemipterous insects with oval flattened bodies and mouthparts modified for piercing and sucking. b US any small insect.
2 sl. a micro-organism, esp. a bacterium, or a disease caused by it.
3 a concealed microphone.
4 sl. an error in a computer program or system etc.
5 sl. an obsession, enthusiasm, etc.
--v. (bugged, bugging)
1. tr. sl. conceal a microphone in (esp. a building or room).
2 tr. sl. annoy, bother.
3 intr. (often foll. by out) US sl. leave quickly.
Phrases and idioms:
bug-eyed with bulging eyes.
Etymology: 17th c.: orig. unkn.