N-COUNT 睡衣派对(指一帮年轻的朋友穿着睡衣通宵畅谈的聚会) A slumber party is an occasion when a group of young friends spend the night together at the home of one of the group. 睡衣派对(指一帮年轻的朋友穿着睡衣通宵畅谈的聚会) [mainly US]