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self-stimming
self-stimming n.
Brit. 
/ˌsɛlfˈstɪmɪŋ/
, /ˌsɛlfˈstɪmɪŋ/U.S. /ˌsɛlfˈstɪmɪŋ/
the repetitive performance of certain physical movements or vocalizations, as a behaviour seen in persons with neurodevelopmental conditions such as autism (also as a modifier); cf. self-stimulation n. 3.This behaviour, now also called stimming, is thought to serve a variety of functions, such as calming and expression of feelings. [ < self- prefix + stim- (in stimulation n. or stimulate v.) + -ing suffix1, after self-stimulation n. 3.] /ˌsɛlfˈstɪmɪŋ/ΚΠ
1972 Today's Health June 63/2 Otherwise, he'll think he can get out of doing anything by having a tantrum or acting sleep or just self-stimming in general.
1997 B. Fouse & M. Wheeler Behavioral Strategies for Individuals with Autism 272 Reinforce task completion with short periods of time for self-stimming behaviors.
2007 Galveston (Texas) Daily News 13 Apr. a3/6 The dogs are specifically trained to interact with the kids and disrupt self-stimming.
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