I can help you figure it out, but I’ll need a bit more detail.
What does it look like? For example:
- size (tiny, coin-sized, bigger?)
- shape (round, oval, flat, fuzzy, hard?)
- color
- texture (smooth, sticky, hairy, etc.)
- does it move or smell?
- or can you upload a photo?
If it’s something like an insect, shed skin, plant piece, or small object, the details will make it much easier to identify—and also tell you whether it’s harmless or something to clean up safely.