The act of putting
titties in and around your mouth, and or rubbing them around your genitals, while taking a shit. Technically for it to be a tit mungler you have to be taking the shit while in the act of doing the titty-rubbin. This
may often result in
poopy titties depending the situation. The shitting does not have to be done in a toilet, and is preferably done elsewhere.
"Last night Bryan wanted to tit mungler.. i full on let him but
idk, it smelt so bad when he got done, some of his sludge
dragon got on my
titties.."