1. When you have mouth sex with someone that is unwilling.
2. To take advantage of someone or of a situation in an extreme way.
1. When that girl was passed out I got caught chimpfrogging her real good.
2. I can't wait to go to the waterpark, I am going to chimpfrog the hell out of that place!
3.That chimp chimpfrogged the hell out of that frog.