Everything-must-go event on one's front lawn: 2 wds

• Pre-moving driveway event
• It might move stuff before moving
• Bargain-hunters' mecca
• Classified listing
• 'Get rid of junk' event
• House-cleaning event
• Source of secondhand goods
• Neighborhood event where you can buy used goods: 2 wds
• Bargain-hunting opportunity held on someone's front lawn: 2 wds

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of yard sale English)