When your girl is giving you head but halfway through her gulps she tries to spit it back into your dick. The act of backwashing a drink only it's with cum and on your dick
Male: He baby want my dick?
Female: No thanks, I know Jenny gave you a dick wash yesterday.
Male: it wasn't my fault, Jenny spit it back up!
A concept in which there's a car wash-style spinning brush but instead of a ton of spinning flaps it's a ton of spinning dicks, and instead of the car, it's someone who's sexuallypromiscuous. The concept is used when you've had an influx of sexual partners/potential sexual partners, or when you are going dick hunting at the bar or club.
"Oh my goshI've been flirting with so many guys recently I feel like I'm going through the dick wash!"
"Let's go out tonight, I haven't had sex in so long , I need to go through the dick wash"
When a man is balls deep in a woman and proceeds to give her a cream pie, he then takes out his wiener, places it in between his partners tits while she is laying on the ground, and titty fucks her for the sole purpose of scrubbing the cream off of his wiener.
Bro, I definitely gave Brittany the biggestcream pie she has ever had (not in my life) and because of that, she gave me a dick-wash.
The metaphorical state of being in a very homosexual situation, or undesirable position. Described as the brushes in a car wash being replaced with penises, and slapping the individualin the face repeatedly while revolving, as if they were cleaning the exterior of a vehicle.