roomie 1: why are you in the bathroom for so long with the water running??  roomie 2: oh, just takin a foot bath
code word for poop because you are too embarrassed to say you have to poop so you run water and say it is a footbath
"roomie 1: why are you in the bathroom for so long with the water running??  roomie 2: oh, just takin a foot bath" What is the definition of "foot bath"?