big-boy pants

A euphemism for being old or mature enough to do something as an adult man or as an adult man should. Come on, Larry, you need to put on your big-boy pants and own up to your lies. I know you're not a morning person, but put on your big-boy pants and go to work.

Common Names:

Name	Pronounced	Usage
Fionn	FIN, FYOON	Irish, Irish Mythology
Aeron (2)	-	Welsh Mythology
Deb	DEB	English
Baldric	BAWLD-rik	English (Archaic)
Ulysse	-	French
Zdeslav	-	Croatian