be near the knuckle

(British informal)

if a joke or a remark is near the knuckle, it is about sex in a way that some people find offensive Some of his jokes were a bit near the knuckle and, unfortunately, I was watching the show with my parents.

Common Names:

Name	Pronounced	Usage
Lyudmil	-	Bulgarian, Medieval Slavic
Kitty	['kiti]
Warren	WAWR-ən	English
Muhammed	-	Turkish, Arabic
Betty	['beti]
Noach	NO-ahkh (Dutch)	Hebrew, Dutch, Biblical Hebrew