zonk

noun

1. (slang)An unfavorable card or token, or undesirable or worthless item used as a prize in a contest or game show (such as Let's Make a Deal).

   “There will always be two doors that hold zonks, so regardless of whether you initially chose the grand prize or a zonk, Monty will always be able to show you a zonk not chosen.”

   “A live, mane-embellished, SAG-card-carrying lion, I should point out, who was likely being staged for a few minutes off to the side before he would be used as a freaking “Zonk!” on a freaking game show, for crying out loud.”

   “A zonk was way overdue, yet the boys knew that the Seniors knew they would think this was a zonk and would trick the boys by making this another real prize.”

   “I have three empty coffee cans, two with prizes and one with a slip of paper that says "Zonk."”

   “Avoid the Zonk / On the TV show Let's Make a Deal, contestants often had to choose between three curtains.”

2. (slang)The feeling of a drug taking hold.
3. (slang)A cigarette hand-rolled from tobacco and cannabis.

verb

1. (slang, transitive)To hit hard .
2. (slang, transitive)To make (someone) sleepy or delirious, to put into a stupor .
3. (intransitive, slang, usually)To become exhausted, sleepy or delirious.

   “After two hours of studying, I zonked out.”