mag·got 
(măgət)
(măgət)n.
1. The legless, soft-bodied, wormlike larva of any of various dipteran flies, often found in decaying matter.
2. Slang A despicable person.
3. Archaic An extravagant notion; a whim.
[Middle English magot, perhaps alteration of mathek, maddokk, perhaps from Old English matha.]
maggot·y adj.