1. A party or social gathering often taking place inside an abandoned or otherwise derelict boxcar.
2. A party hastily thrown together by hooligans, usually involving depravity and debauchery.
3. A party or social gathering where everyone dresses up as newsies and flappers.
4. A race with contestants dressed up as newsies racing vintage pedal cars.
Mr Kemp invited me and Atticus to a boxcar social tomorrow evening.
Some old friends are holding a boxcar social but I donât know if I will go, the cops usually show up and ruin the fun.
A boxcar social is being held a few blocks away. Would you like to dress up and head on over?