Jam-up

What is Jam-up?

Jam-up definition and meaning on Dictionary terms:
noun
a stoppage or slowing of motion, work, or the like, due to obstruction, overloading, malfunction, or inefficiency; jam: Your letters didn’t go out yesterday because there was a jam-up in the mail room.

 

reference: https://www.dictionary.com/browse/jam-up

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