dunker

(noun) an eater who dips food into a liquid before eating it. Example: "He was a dunker--he couldn't eat a doughnut without a cup of coffee to dunk it in."

(noun) a basketball player who is able to make dunk shots.

(noun) an adherent of Baptistic doctrines (who practice baptism by immersion). Synonyms: Dunker, Dunkard, Tunker.