When you ejaculate and it burns like fire from a dragon's mouth. Dragon cum gonorrhea

The act of freezing genital warts off of testicles with liquid nitrogen.

If somebody mentions dragon you may fall into this trap just like Joe mama, this can catch somebody off guard, and you will be stunned by your stupidity.

Drag-on. Which basically is like the word "dragging". It's pretty much another way of the deez nuts jokes.