tizzyPronunciation: /ˈtɪzi/ (also tizz)Translate tizzy | into French | into Italian Definition of tizzy noun (plural tizzies) [in singular] informal a state of nervous excitement or agitation:he got into a tizzy and was talking absolute toshOrigin: 1930s (originally US): of unknown origintizzy in other Oxford dictionaries Definition of tizzy in the US English dictionary