On the spot and Up the creek

On the spot adverb - At the place in question; there.

Up the creek and on the spot are semantically related in powerless topic. In some cases you can use "Up the creek" instead an adjective phrase "On the spot", when it comes to topics like in a jam.

On the spot and up the creek are semantically related in powerless topic. Sometimes you can use "On the spot" instead an adjective phrase "Up the creek", if it concerns topics such as in a jam.