Sponged meaning : To take advantage of the kindness of others. To get by imposition; to scrounge. To deprive (somebody) of something by imposition. To clean, soak up, or dab with a sponge. To suck in, or imbibe, like a sponge. To wipe out with a sponge, as letters or writing; to efface; to destroy all trace of. To be converted, as dough, into a light, spongy mass by the agency of yeast or leaven.