slimy and sweaty feeling you get when you are either walking around in the sun, sleeping in the afternoon during summer, or refuse to shower. This disgusting occurance that resembles a bog occurs in the crotch region, hence: bog crotch.
"man, i fell asleep in my car yesterday." -josh
"I bet u got bog crotch pretty mad eh?" -nate
"whats worse is that ive got swampcrack too. i feel like honduras." -josh