From Longman Dictionary of Contemporary Englishspongerspon‧ger /ˈspʌndʒə $ -ər/ noun [countable] ASK FOR something/ASK somebody TO DO somethingsomeone who gets money, free meals etc from other people and does nothing for them – used to show disapproval
Examples from the Corpus
sponger• And yet, she didn't look a sponger, she didn't sound a sponger.• He recognised no social barriers when making friends and was surrounded by an army of spongers.• The world seemed to consist of spongers like Marc, supporters like Christopher, and victims like Francis. 