I was too much of a 'wimp' [='coward'] to confront him.
He wanted to ask her to the dance but he 'wimped out'.
(..) Tigress, no! The hard core do understand. But I can't watch my friend be killed. - We're going. - Maybe you can't watch me be killed? - Stop being a wimp. - And she's back. - No. - Don't worry, kid. You're better off here. You were wrong, Soothsayer. (..)2011 Kung Fu Panda 2