I had an aunt who used to stand on her spongebag in a cupboard under the stairs during bad storms and very much admired her combination of scientific knowledge with strong common sense.[…]So in future I hope to have the moral courage to act as instinctively as a fish and as wisely as an aunt, merely substituting gumboots, as being a shade more manly than spongebags.
Source: wiktionary
He hung his jacket in the wardrobe, extracted the timetables, wedged them under his arm, slung a bathrobe over his shoulder, collected his spongebag and, mumbling something about taking a bath in the morning, shuffled into the bathroom and locked the door.
Source: wiktionary
“A fine example our father set,” Celestria scoffed, spraying on perfume before putting it in her spongebag.[…]She placed her spongebag on top of the clothes that lay in a messy heap in the suitcase.
Source: wiktionary