Thumb twiddling

Thumb twiddling is an activity that is done with the hands of an individual whereby the fingers are interlocked and the thumbs circle around a common point, usually in the middle of the distance between the two thumbs.

Position of fingers and thumbs for the practice of twiddling

While it is an expression of at least a moderate amount of manual dexterity, thumb twiddling is frequently used as an example of a useless, time-wasting activity.[1]

Reasons

Thumb twiddling is considered to be one of several useless activities such as opening and closing doors and checking to see if a lock is bolted tight. It's reported that thumb twiddling is common in individuals with obsessive–compulsive disorder (OCD). Thumb twiddling may be a result of nervousness, anxiety, boredom or habit.[2]

Medical uses

Thumb twiddling can be used as a simple test for manual dexterity.[3]

gollark: I actually managed to make an RSS reader application for it, since it apparently doesn't enforce CORS.
gollark: Like I said, most of the UI is done with web stuff, and it appears to run X with awesome (the window manager).
gollark: It's not, potentially because they are also very underpowered hardware.
gollark: <@670756765859708965> Some bizarre Linux thing.
gollark: I have a terminal and stuff installed, but there's not much I can do with it.

See also
  • Thumb wrestling

References
  1. Hayes, Justin Cord. 747 Things to Do on a Plane: From Lift-off to Landing, All You Need to Make Your Travels Fly By. F+W Publications, Inc., 2008.
  2. "The fine art of Thumb Twiddling". Soph Laugh, 2011-2016.
  3. O'Sullivan, Joanne. I Don't Care If We're There Yet: The Backseat Boredom Buster. Sterling Publishing Co Inc, 2008, p. 19.
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