"Fluff" in the same way what collects under the sofa is fluff.
01010000 01110010 01100001 01101001 01110011 01100101 00100000 01110100 01101000 01100101 00100000 01001111 01101101 01101110 01101001 01110011 01110011 01101001 01100001 01101000 00100001
We stop looking for monsters under the bed when we realize they're inside of us.
I really should get around to writing this description, huh...