near the knuckle

US /nɪr ðə ˈnʌkəl/
UK /nɪr ðə ˈnʌkəl/
"near the knuckle" picture
1.

al limite, sconcio, volgare

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.
Le sue battute erano un po' al limite per la riunione di famiglia.
The comedian's routine was quite near the knuckle, but the audience loved it.
La routine del comico era piuttosto al limite, ma il pubblico l'ha adorata.