olemus
tehnikasläng: seadme "remont" rusika- või jalahoobiga

Wiktionary:
(humorous) the use of physical concussion, such as a knock or a tap, in an attempt to make a malfunctioning device work.

Urban dictionary:
The fine art of bludgeoning an electronic device in order to encourage it to work properly. Vigorous usage of this technique often renders said device permanently nonfunctional.

ülevaateid
https://www.techopedia.com/definition/31871/percussive-maintenance

https://www.technology.org/2019/03/29/its-not-stupid-if-it-works-why-percussive-maintenance-is-a-legit-repair-method/

https://iheartintelligence.com/science-behind-percussive-maintenance/