be in a tight spot

To be in a particularly difficult or awkward situation, especially one that is not easy to get out of. Jeremy's been in more tight spots since he left college than I care to recount. I just don't know what's going to become of that boy if he doesn't clean up his act soon. I'm going to be in quite a tight spot if this loan isn't approved. I'll be in a tight spot if I arrive at the train station and don't have enough money for the tickets!