three-way guacamole
A three-way guacamoleis the fetishistic act during a three way where one participant releases their bowels onto the other participants. Becomes three-way guacamole when the participant has diarrhea and all three participants roll around on top of each other to spread the feces.
"Yo dude, did you hear about Robert last night? He had a three-way guacamole!"
"What?! That shit's nasty!"
"What?! That shit's nasty!"