UP THE CREEK WITHOUT A PADDLE

{adj. phr.}, {informal} In trouble or difficulty and unable to do anything about it; stuck. * /Father said that if the car ran out of gas in the middle of the desert, we would be up the creek without a paddle./ * /I'll be up the creek if I don't pass this history test./ Compare: DEEP WATER, IN THE SOUP, UP A TREE, OUT OF LUCK.