Word: Shah Pahlavi
Part of Speech: Noun
Definition: Shah Pahlavi refers to Mohammad Reza Pahlavi, the last king (shah) of Iran, who ruled from 1941 until he was overthrown in 1979 by Islamic fundamentalists during the Iranian Revolution. He was born in 1919 and died in 1980.
While "Shah Pahlavi" does not have specific idioms or phrasal verbs associated with it, you might hear the phrase "overthrown by revolution" in discussions about political changes, which describes how he lost power.