1. containing or covered with feces; soiled with poop
Usage: informal; child-friendly
2. in a bad mood; sad or unhappy
Usage: informal; colloquial

Examples

• The baby's diaper was poopy, so I changed it right away.
• Don't touch that—it's poopy!
• He's been poopy all day since he didn't get to go to the park.
• She woke up feeling poopy and didn't want to go to school.
• The dog came back from outside with a poopy paw.