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
Wenceslas	WEN-səs-laws (English)	History
Chuck	CHUK	English
Geretrudis	-	Ancient Germanic (Latinized)
Pili	PEE-lee	Spanish
Marino	-	Italian, Spanish
Shona	-	Scottish