The Collaborative International Dictionary
Tag sale \Tag sale\, n. [From the price tag usually attached to each item.] A sale of usually used items (such as furniture, clothing, household items or bric-a-brac), conducted by one or a small group of individuals, at a location which is not a normal retail establishment.
Note: Frequently it is held in the private home or in a yard attached to a private home belonging to the seller. Similar to a yard sale or garage sale. Compare flea market, where used items are sold by many individuals in a place rented for the purpose.
Wiktionary
n. 1 (''in combination'') A retail sale in which items included in the sale are tagged with a coloured tag 2 (''In the US, primarily northeastern dialects'') A domestic sale of second-hand items; a garage sale or yard sale
Usage examples of "tag sale".
He could have sparked it with questions about the play, the tag sale, the clinic, and her life in Boston.
She readily promised to bake three cakes, but as for the tag sale .
Button died this week, and Madame Defarge says there's going to be a tag sale.
Five minutes later, her face washed, teeth brushed, clad in her favorite nightshirt, she snuggled down into the queen-sized brass bed that she had bought in a tag sale after Bob left.