crackjaw en · ADJ
Etymology
From crack + jaw.
Meanings
-
(not-comparable) Difficult or unpleasant to pronounce.
a crackjaw language
a crackjaw name
Benjamin Disraeli, who was a pretty bright guy—a novelist, debater, and prime minister of England—tried to identify a person once and ended up exclaiming, "A Polish nobleman, a Count somebody; I never can remember their crack-jaw name."
2009, Patsy Clairmont, All Cracked Up: Experiencing God in the Broken Places: