Dictionary
Words, grammatical forms and meanings linked to the ontology.
butt-brush effect en · NOUN
Meanings
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(informal, uncountable) A loss of interest in buying a product in a crowded store if one is inadvertently touched from behind by another shopper passing by.
One of Underhill's main findings has to do with what he calls the “butt-brush effect”: touch someone, especially a woman, from behind, and she'll immediately move away from the merchandise and often leave the store.
2008, Richard H. Robbins, Cengage Advantage Books: Cultural Anthropology: A Problem-Based Approach: