bag lady

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A homeless woman, especially one in a big city, who carries her possessions with her, as in a shopping bag.

from the GNU version of the Collaborative International Dictionary of English.

• noun a homeless woman who carries all her possessions with her in bags.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun informal A homeless woman who carries her possessions with her in bags.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a homeless woman who carries all her possessions with her in shopping bags