chop down
1. To fell; to cut down. Usually refers to cutting down a tree. A noun or pronoun can be used between "chop" and "down." We had to chop down that old tree to keep it from falling onto our house. It would be a shame to have to chop that old oak down just to make room for a parking lot.
2. To destroy or reject something. A noun or pronoun can be used between "chop" and "down." Now that the CEO has chopped down our idea, we need to come up with something better.
chop something down
1. Lit. to cut down something, such as a tree, with an ax. Please don't chop my favorite tree down. Don't chop down this tree!
2. Fig. to destroy something, such as a plan or an idea. The committee chopped the idea down in its early stages. They chopped down a great idea!