earbug noun3 •A small, close-range receiver that fits in a person's ear, allowing them to hear transmissions, usually by an observer or advisor.Yes, the earbug has helped me be more aware of clients. It also helped me know what to do in a situation when I did not know what to do. — 1993 •Any of various fictional devices that a person can listen to when it is installed in their ear.This cab couldn't transmit to his earbug. — 2001 •Any of various agricultural pests of genus Leptocorisa that attack grain crops.earbug Leptocorisa oratorius (Fabricius) [Hem. Alydidae]. — 2000 formsearbugs
