Wobbly (n.)youdaoicibaDictYouDict[Wobbly 词源字典]
1914, member of Industrial Workers of the World (I.W.W.). Probably some sort of elaboration of the W aspect of the acronym.[Wobbly etymology, Wobbly origin, 英语词源]
wobbly (adj.)youdaoicibaDictYouDict
1849, wabbly; see wobble (v.) + -ly (1). Form with -o- is from 1851. Related: Wobbliness.