A rude person is an organism notable for acting before thinking, troubled minds, and a filthy vocabulary. They closely resemble Homo Sapiens but are of different species. Rumors indicate that they have tails and their primary diet consists of feral mice and feces.
"Get off that f***ing computer before I slap you in the face." *Turns away, mingles with friends*
"Dude, did you see that? Her tail is sticking out!"
"Oh my god it's a Homo Sarien, aka Rude person!" *Approaches girl*
"Is it true that your kind eats mice and poop for breakfast?"