faze
From Longman Dictionary of Contemporary Englishfazefaze /feɪz/ verb [transitive] informal CLEAR/EASY TO UNDERSTANDif a new or difficult situation fazes you, it makes you feel confused or shocked, so that you do not know what to do John was embarrassed, but it didn’t faze Mike a bit.→ See Verb tableExamples from the Corpusfaze• None of it seemed to faze him.• The mass walkout did not faze him.Origin faze (1800-1900) feeze “to drive away, frighten”, from Old English fesian