alligator arms
n.pl.— «Some of the best players in the NBA have developed “alligator arms”— sports parlance for not extending the arms—under the pressure of big free throws.» —“The fine art of shooting free throws” by Eric Plummer Bonner County Daily Bee (Sandpoint, Idaho) Dec. 31, 2008. (source: Double-Tongued Dictionary)
Further reading
When the pressure drops in an airplane cabin and all the oxygen masks fall, pilots refer to all that equipment hanging down as a rubber jungle. This is part of a complete episode.
Related
We asked for your thoughts about whether cursive writing should be taught in schools — and many of you replied with a resounding “Yes!” You said cursive helps develop fine motor skills, improves mental focus, and lets you read old...