Now now brown cow
Heard in Dublin
A nonsensical phrase employed at random when conversation grows awkward or one is at a loss for words.
Fella: "The hacka thah yung'wans hole" Girl: (Feeling awkward as she knows that girl)...'now now brown cow' Fella: "Exactly"
Fellow: That young lady possesses a rather unfortunate posterior. Lady: (Feeling awkward as she knows the girl) How perfectly awkward. Fellow: Precisely.