The really cute hairstyle and face some girls pull when they wake up and they have bed hair, nomatter how much you try and flatten the hair it remains fluffy.
Guy: Awww you have a fluffyhead!
Girl: Mmmmmmmm I dont care you woke me up
One who consumes LSD or hallucinogens on a regular basis. Based from the white fluff variation of LSD and referenced by Phish in their song 'Fluffhead'
If you're looking for some clean L check with jimmy, he's a total fluffhead...