Fat
Part of speech: adjective
Definition: Carrying a larger than normal amount of fat on one's body. Thick. Bountiful. Variant form of phat. A poorly played golf shot where the ball is struck by the top part of the club head. (See thin, shank, toe)
Part of speech: verb
Definition: To make fat; to fatten.
Part of speech: noun
Definition: A specialized animal tissue with a high oil content, used for long-term storage of energy. A refined substance chemically resembling the oils in animal fat. That part of an organization deemed wasteful. A large tub, cistern, or vessel; a vat. A person or animal that is overweight or obese. An erection.
Chubby
Part of speech: noun
Definition: A chubby, plump personEspecially a gay man.An erection of the penis.
Part of speech: adjective
Definition: Of a person, slightly overweight, somewhat fat and hence soft.Of a body part, containing a moderate amount of fat.
Example sentence: There are a number of writers who believe it is their duty to throw as many curve balls at the reader as possible. To twist and twist again. These are the Chubby Checkers of crime fiction and, while I admire the craft, I think that it can actually work against genuine suspense.