in a jam

in a jam  {adv. phr.},  {informal}
In a predicament; in a situation fraught with difficulty.
If you continue to disregard the university instructions on how to take a test, you'll wind up in a jam with the head of the department.
Compare: IN A PICKLE, IN DEEP SHIT.
Categories: adverb informal
Source: A Dictionary of American Idioms

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