An expression of respect, approval, or recognition directed at a person, usually one who has achieved something noteworthy or completed a job well done. Comes from the similar-meaning phrases "kudos" and "props," which, when put together, create the phrase "Kudo-props," and hence, the rhyming "Judo Chops."
Dude, you just landed a date with Megan Fox?? Judo Chops!!
A sex act wherein when you're doing a girl from behind, you suddenly give her a charlie horse in the thigh as hard as you can, making her fall to the ground. Then you take a dump on the back of her head.
My girlfriend was screaming too loudly during sex and waking the neighbors, so I had to Charlie Brown her. We are no longer together.