shanks
n.pl.— «Wiley’s golf game did end up a victim of “the shanks” as he called it, falling to 19-year old Eastern Michigan golfer Sean Behnke 2 & 1 in the first round.» —“Ithaca’s Duckworth advances to quarters” by Nate Schneider Morning Sun (Mt. Pleasant, Michigan) July 31, 2006. (source: Double-Tongued Dictionary)
Further reading
Amid court-ordered busing in the 1970s, a middle-school teacher tried to distract her nervous students on the first day of class with this strange assignment: find a monarch caterpillar. The result? A memorable lesson in the miracle of metamorphosis...
In 1971, when a new public library opened in Troy, Michigan, famous authors and artists were invited to write letters to the city’s youngest readers, extolling the many benefits of libraries. One of the loveliest was from E.B. White, author of...
Apparently the same as the yips.