crush down
1. To physically push someone or something down; to flatten someone or something. A noun or pronoun can be used between "crush" and "down." If you just crush down these clothes, I think you'd be able to fit more in your suitcase.
2. To suppress or subdue someone or something. A noun or pronoun can be used between "crush" and "down." The boss is always quick to crush down any dissent in our department.
crush someone or something down
1. Lit. to press or force someone or something down. Crush the leaves down so you can put more into the basket. Crush down the leaves and fill the basket higher.
2. Fig. to suppress someone or something. The dictator crushed the opposition down ruthlessly. He crushed down all political opposition. The army crushed the peasants down ruthlessly.