off on

off on someone or something

in a rage about someone or something; on a tirade about someone or something. Are you off on Sally again? Why can't you leave her alone?

Name	Pronounced	Usage
Modesta	mo-DHE-stah (Spanish)	Spanish, Late Roman
Annabeth	AN-ə-beth	English (Rare)
Ascelin	-	Ancient Germanic
Silke	ZIL-kə (German)	German, Dutch
Vlastimil	-	Czech
Perikles	-	Ancient Greek