Dirt Dragon
The act of mashing ones flaccid penis into a females butt-hole until said penis slithers in like a dragon.
I couldn't get hard last night so I had to give her the ol' Dirt Dragon.
Dirt Dragon
The dry, scale like skin a man acquires on his penis from chaffing due to anal sex without lube.
Man, I got the Dirt Dragon from that girl last night, I should have used lube
Dirt dragon
The act of spontaneous, and with little hesitation, engaging another human in a sexual way or in general that will hopefully lead to future sexual activities. This can be in a passive or aggressive manner.
That Bob is over there dirt dragon away.