Definitions by Naurog

Bumchuckle 

When, during anal sex, the giver (or receiver) laughs, giving a surprise sensation to the non giggler.

man: "have you ever had a bumchuckle?
woman: "no? what is that?"
man: "here, i'll show you, HAHAHAHA"
woman: *screams*

Bumchuckle by Naurog February 17, 2009