saliva sister
To be related to another girl through a third party's saliva.
Steff: OMG! I totally made out with that guy last night!
You: So did I!
Steff: We are saliva sisters now
You: So did I!
Steff: We are saliva sisters now
saliva sister
A trio of irreverent female singers performing in SLC, UT
Did you see that Saliva Sister squat onstage?