1. To push or shove someone over. In this usage, a noun or pronoun can be used between "knock" and "over." The dog jumped up on Clara and knocked her over.

2. To upset or topple something. In this usage, a noun or pronoun can be used between "knock" and "over." Hey, don't knock over my tower of blocks! Aw man, somebody knocked over my cup of coffee. Where are the paper towels?

3. To wow or impress someone. In this usage, a noun or pronoun can be used between "knock" and "over." That little girl's singing voice completely knocked me over.

4. To steal from some place or thing. I can't believe you guys knocked over a convenience store!

5. To steal something. How many laptops were you guys able to knock over?