Sure shake his hand... shake it tight and hard and painful. Pull him close and whisper "you'll be putting the lotion in the basket if you pull that crap again". Or if you're not the Buffalo Bill type, just shake his hand 
In all seriousness, people like that need to be reported to the league officials. Otherwise they keep on being themselves, which isn't compatible with a "fun" league. Shake his hand and write him up on the back of the scoresheet, or however you're supposed to report people like that.

In all seriousness, people like that need to be reported to the league officials. Otherwise they keep on being themselves, which isn't compatible with a "fun" league. Shake his hand and write him up on the back of the scoresheet, or however you're supposed to report people like that.