sucker

sucker (http://definr.com/sucker)

     n 1: a person who is gullible and easy to take advantage of [syn:
           chump, fool, gull, mark, patsy, fall guy, schlemiel,
           shlemiel, soft touch, mug]
     2: a shoot arising from a plant's roots
     3: a drinker who sucks (as at a nipple or through a straw)
     4: flesh of any of numerous North American food fishes with
        toothless jaws
     5: hard candy on a stick [syn: lollipop, all-day sucker]
     6: an organ specialized for sucking nourishment or for adhering
        to objects by suction
     7: mostly North American freshwater fishes with a thick-lipped
        mouth for feeding by suction; related to carps