nose dump

When you blow out so much snot out of your nose, it's comparable to taking a shit from your nose.

Now that I took a nose dump, my sinuses are clear as can be!

butt stamp

buht stamp

noun

1 the act of sitting on something while completely naked, not wiping one's anus fully and leaving brown or green print

on said object.

Mark, I'm so sorry I left a butt stamp on your couch.