A fork of Rural Dictionary
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.
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!