Definition of "sucker"
sucker1
/ˈsʌk.ə/
noun
plural suckers
A small piece of leather, usually round, having a string attached to the center, which, when saturated with water and pressed upon a stone or other body having a smooth surface, adheres, by reason of the atmospheric pressure, with such force as to enable a considerable weight to be thus lifted by the string; formerly used by children as a plaything.
(US, obsolete) An inhabitant of Illinois.
verb
third-person singular simple present suckers, present participle suckering, simple past and past participle suckered