собир. жить на чужой счет; I didn't mind giving the boy an occasional meal, but before I knew what had happened, he had moved in, and sponged on us for over two weeks!
SPONGE ON
Англо-русский перевод SPONGE ON
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012