To act like an adult or take on adult responsibilities.
Time to big boy up and handle your responsibilities.
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He finally big boyed up and confronted his fears head-on.
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Frequently Asked Questions
The word "big boy" in English means: A young boy., An adult man., A term of endearment or encouragement..
The phonetic transcription of "big boy" is /bɪɡ bɔɪ/ in British English and /bɪɡ bɔɪ/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "big boy": man, adult, lad, fellow.
Example usage of "big boy": "My little brother thinks he's a big boy now.". More examples on the page.