a drug addict who doesn't possess the monetary means to support their habit. A "cluck" will often try to scrounge drugs, or small amounts of money to buy drugs, from anyone they know. When they engage in this behavior, the resemble chickens that cluck, peck, and scratch for any morsel of food they can find.

A pubic hair piece. A toupee for the pubic area/genitals. In the 1700’s when mercury was used to treat sexually transmitted diseases (Gonorrhea or Syphilis) one of the side effects was the loss of pubic hair. To disguise this condition, that was not cured by mercury, a Merkin was employed.

The act of exchanging some item of value for a given controlled substance (or cash to be used in the purchase thereof), as carried out by an addict of that substance when an otherwise exhaustive search has failed to yield the funds necessary to support his habit. The quantity of drugs received for the object of a cluck tends be very small in relationship to the item's perceived market value. This discrepancy can be attributed to the efforts of the person receiving the cluck to capitalize on his knowledge that the clucker has reached a state of desperation, in which he is liable to forego any attachment to material possessions, as well as any remaining vestige of common sense (often to the point of inevitable regret), in exchange for the opportunity to satiate his physical cravings for even the shortest duration.

A crank fiend who can't support there habit and is constantly trying to get dope off aquantances.

Clucken, adj. The act of begging for dope.

a crack fiend.

A word used to insult someone when there being non understanding or slow to comprehend

a crackhead;a fiend;someone who is crazy acting because of the use of drugs