Definition of "Chuck" :
noun: a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
noun: informal terms for a meal
noun: the part of a forequarter from the neck to the ribs and including the shoulder blade
verb: eject the contents of the stomach through the mouth
verb: pat or squeeze fondly or playfully, especially under the chin
verb: throw carelessly
"Chuck the ball."
verb: throw away
"Chuck these old notes."