near the knuckle
US /nɪr ðə ˈnʌkəl/
UK /nɪr ðə ˈnʌkəl/

1.
ousado, picante, de mau gosto
almost offensive or rude, especially because of being sexual or involving rude humor
:
•
His jokes were a bit near the knuckle for the family gathering.
As piadas dele eram um pouco ousadas para a reunião de família.
•
The comedian's routine was quite near the knuckle, but the audience loved it.
A rotina do comediante era bastante ousada, mas o público adorou.