1. When a person with a hairstyle such as dreadlocks or braids runs or jumps and all their hair flies all over the place taking the appearance of a tarantula spider. It's really cool-looking.
2. It can also be used as a nickname for someone in which this applies. Someone with dreads, braids, etc.
Floating head doctor is a body with no head and a head with no body. The head often floats around while the body clumsily makes mistakes. Invented by J.D. on Scrubs.
Head: Have you seen my body!!?!?
Guy1: It's over there hurry!
Body: No, you shall never get me!!
Elliot: Sigh, it's just Floating Head Doctor again"