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| | Hung up on. |
 | | The idea of a person getting hung up on something is easily related to that image, since someone who is "hung up on" another person, or on a stubbornly resisting concept or problem, is to a degree immobilized, held back from getting on with other matters. |
 | | An interesting (to me) variant of the concept occurs when a cat, doing what curious cats do, gets his collar caught in some projection or protuberance, that is, gets hung up on something. |
 | | This problem is so widespread that at a certain date the pet stores began to display collars with an elastic insert designed to let a cat slip out of his collar should he accidentally become hung up on something. |
| www.phrases.org.uk /bulletin_board/38/messages/1231.html (848 words) |
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