1. (n) A name that one uses for their significant other to show affection. Usually used when they would like to use something silly and original rather than the over-used "pooky" "poobear" and "honeybunch".
2. (adj) A name given to someone who is being overly-silly, crossing the line into the realm of stupidity.
1. a) Wanna come over and snuggle with me, poophead?
1. b) Aww, you're so sweet! Thanks poophead.