big boy
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A mature or responsible man
Nghĩa · Tiếng Việt
Một người đàn ông trưởng thành hoặc có trách nhiệm
Machine-translated — suggest a fix
Literally: large male child
Where it’s used:
Used
Widespread English
Examples
He's a big boy now, he can take care of himself
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “big boy” mean?
A mature or responsible man Literally: large male child
Is “big boy” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.