A fork of Rural Dictionary
something said when the person speaking is urine (or piss), particularly if the speaker is yellow and crouched over a toilet as an intruder enters
bart get out, i'm piss
A meme taken from an amateur simpsons incest cartoon The cartoon shows Bart walking in on Lisa going to the bathroom and Lisa saying "Bart get out! I'm piss"
"Good morning, Lisa Congratulations!" "bart get out!, i'm piss"