boys will be boys
Definition from Wiktionary, the free dictionary
- It is hard, often fruitless, to attempt to curb the natural playfulness and tendency to mischief of most growing boys.
- Even grown men usually remain somewhat boyish at heart.
- "Boys will be boys", grinned grandpa while he joined his adult son playing with the fancy train-set he gave his grandson for Christmas while the kid was in school.
boys are mischievous by nature
men remain boyish at heart
- Gregory Y. Titelman, Random House Dictionary of Popular Proverbs and Sayings, 1996, ISBN 0-679-44554-4, p. 33.