talk out (the side of) one’s neck
v. phr.β Β«Heyβyouβre talking out the side of your neck/Heyβyouβre gonna get whatβs coming to you yet.Β» ββTalkinβ Out the Side of Your Neck” by Cameo Sheβs Strange (song) , 1984. (source: Double-Tongued Dictionary)