A fork of Rural Dictionary
A meaningless American holiday celebrating trees.
Sally: Hey, it's Arbor Day. Shouldn't we have the day off? Donald: Are you dumb? No one cares about trees. That's what Earth Day is for. Sally: Oh. Sorry trees.
When you poop but go to wipe and nothing is there. Like on Arbor Day, you should now plant a tree for wasting paper.
"Just took a quick dump and it was an Arbor Day. Gotta go plant a tree."