It should look exactly as it does when you are not on your period.
Ben's poo generally looks like poo. But more.... sloppy.
like elephant poo
The poop looks like human poo
like poo!
looks like a poo
a big poo
red poo tyne tyne yellow poo
it looks like a biiig donkey fish with a human poo horn
much like chicken poo, just a bit bigger, can be very long
it looks like poo
i like poo
drugs look like pills and other medicines poo