[rat race] {n.}, {slang} A very confusing, crowded, or disorderly rush; a confusing scramble, struggle, or way of living that does not seem to have a purpose.
* /The dance last night was a rat race. It was too noisy and crowded./* /School can be a rat race if you don't keep up with your studies./* /This job is a rat race. The faster you work, the faster the boss wants you to work./