throbber UK /ˈθɹɒ.bə/US /ˈθɹɑ.bəɹ/ noun3 •A widget consisting of a static image that animates during execution of a task. •(slang) A term of abuse."A d14? Are you mad? Why not just use a pack of cards Gorman you throbber?" — 2017 •(slang, vulgar) An erect penis.One look at that lifeguard's prong gave me a throbber like a baseball bat — not quite that big, of course, but at least that hard! — 1977 formsthrobbers