闺蜜逗比姐妹萌比
[guī mì dòu bĭ jiĕ mèi méng bĭ]
'BFFs, cute silly sisters'. Here '逗比(doubi)' refers to being silly but funny and '萌比(mengbi)' is similar but tends to have a kawaii/cute implication. The whole phrase represents fun times with girl best friends.