talk out (the side of) one’s neck
v. phr.— «Hey—you’re talking out the side of your neck/Hey—you’re gonna get what’s coming to you yet.» —“Talkin’ Out the Side of Your Neck” by Cameo She’s Strange (song) , 1984. (source: Double-Tongued Dictionary)
Further reading
What kind of book do people ask for most often in prison? Romance novels? No. The Bible? No. The most requested books by far are … dictionaries! A number of volunteer organizations gather and distribute used dictionaries to help inmates with...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...