A really bad basketball player.
Also, just a plain old idiot, any one who just throws anything in the air and hopes it makes a goal.

Origin is George Castanza of Sienfeld.
He is the original chucker

One who is unconscious on the basketball court and shoots three point shots without hesitation.

A douchebag of the highest order, any one who just throws anything in the air and hopes it makes a goal and he just makes shit up and hopes we all believe it.

Someone who uses an incorrect (bent-arm) action to bowl a cricket ball. Implies cheating so is highly offensive in context.

A chucker is a chimp fucker, someone who ass-rapes chimpanzees.

One who is unconscious on the basketball court and shoots three point shots without hesitation.

Someone who resents life and has one working arm. This person can be either male or female but is most commonly known to be 'both'.