sponger

美 [ˈspʌndʒər]
英 [ˈspʌndʒə(r)]
  • n.吃白食的人;揩油者
  • 网络寄生虫;海绵擦拭者;食客
复数:spongers  
sponger
n.
1.
吃白食的人;揩油者a person who gets money, food, etc. from other people without doing anything for them or offering to pay