slumber party

1. 1.

   an overnight party of girls who dress in nightclothes and pass the night talking

   Broaderparty

Questions about slumber party

What does slumber party mean?

slumber party means "an overnight party of girls who dress in nightclothes and pass the night talking".

Is slumber party a common word?

slumber party is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.