1
general::
Phrase(s): sucker list
Fig. a list of potential dupes; a list of people who might be taken in by deception. • I’m sure on their sucker list. They are trying to get me to give a lecture and receive a free clock or something. • Here’s the sucker list. Call them all and try to get them interested.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
A list of names of likely prospects for making purchases or donations, as in Some charities raise money by selling their sucker lists to other organizations. This term uses sucker in the sense of "dupe," a usage that in turn alludes to the naivete of a baby suckling at its mother's breast. [Colloquial; 1940s]
American Heritage Idioms