A fundraising event in which box lunches are auctioned off.
More example sentences
- If I didn't know better, I'd swear the folks set up this shindig (box social perhaps)?
- Any, or perhaps many of you ladies would surely be the envy of your friends if you showed up at their next box social with me at your side.
- This Sunday is our nationwide store birthday-each store is holding their own box social for the public.