The
Bog is the area between the genitalia (usually male) and the
asshole. This area is also known as the
Taint but when it is particularly sweaty, slimy or not clean it is referred to as "the bog".
After having sloppy sex all
night and then going for a jog. Kenny declared, "Man, my
bog is sweaty."
Alan had a sweaty
bog because he refused to shower for a week.