verbal copulation
when two people unknowingly flirt with each other to such an extent it becomes unbearable to witness much longer by outside parties
Girl: Tell me please!
Boy: I can't tell you it's a secret
Girl: But I wanna know, it's -
Outsider: Hey, could you two stop with the verbal copulation and buy us some drinks
Boy: I can't tell you it's a secret
Girl: But I wanna know, it's -
Outsider: Hey, could you two stop with the verbal copulation and buy us some drinks