steaming volcano

a particularly large poo that goes from the bottom of the bowl up and out of the water, resembling a steaming volcano

Careful in there, I left a steaming volcano.

Steam Volcano

First, you inhale the vapor of the vape, blow it into the vagina and wait for the girl to “let off steam”

*A couple at the party exits a room with smoke coming out of it*

- Looks like they tried a steam volcano