brown volcano

when one defacates onto a females chest in between her breasts, then squeezes the breast together, thus forming the "brown volcano."

She'd recieved the angry pirate and the frothy walrus, but the brown volcano took the cake.

by Chris Walkup April 30, 2008

brown volcanoe

When a guy shits into a girls pussy and she quifs. The explosion is called a brown volcanoe.

Man did you see that bitch after she brown volcanoed?

by popper1994 March 31, 2009