noun noun 1: A foolish person. (1916 —) . J.Osborne Have you been on the batter, you old gubbins! (1957). 2: A set of equipment or paraphernalia. (1925 —) . New Scientist Behind that again is the engine and propeller, the fuel tank and various bits of 'gubbins' (1968). 3: Something of little value, nonsense. (1925 —) . 4: A gadget. (1944 —) . I.Brown You can save more petrol by how you drive than with all the gubbinses now floating around (1958).
[From earlier sense, fragments, from obs. gobbonnoun; perh. related to gobbetnoun.]