1. to be completely parallel and against or upon a flat surface
2. to be fully immersed with oneself into and onto another
3. to be overly intoxicated and unconscious while laying face first on one’s stomach
“Man! Chesterfield drank so much last night he ended up dickflush in the front yard this morning.”
When you're banging a chick, take a shit in her mouth, then proceed to piss in it. Then, use your dick as a stirring straw and put it in her mouth to mix the shit with the piss. Then nut in her mouth. And to top it off, punch her in the face and make sure the blood drips into her mouth and mixes in with the shit, piss and cum. I give you, the Dickflurry.