slack-jaw
n.— «That little prelude of pidgin Shakespeare has surely shooed the slack-jaws to the comics pages, so now let’s howl with indignation, you and me, at the horror of summer reality TV.» —“Real losers!” by Jonathan Storm Philadelphia Inquirer (Pa.) Aug. 20, 2005. (source: Double-Tongued Dictionary)
Further reading
Yvonne from Rock Hill, South Carolina, learned the phrase honor bright as a way of assuring that one was telling the truth, much like cross my heart or I swear to God. It’s common in the UK, and Shakespeare used honour bright in Troilus and...
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...