The practice of strategically positioning oneself near a future point in the trajectory of a moving individual and timing one's flatulence to coincide with the individual's passing so that individual unknowingly passes through the nauseous gases causing dizziness, vomiting, rashes, temporary blindness, loss of appetite, disorientation, disgust, and general contempt. May also cause hilarity for the individual acting as the car wash. The act is similar to a car passing through a car wash but instead of getting clean, the victim usually just feels plain dirty.
Person 1: What's that pile of vomit behind you?
Person 2: (Smiling) I'm car washing people and Bill threw up.
1. The act of putting your face in between the breast of two large breasted women as they hug, wiggle, and shimmy!
2. The act of having four boobies slapping against your face like the brushes spinning in a car wash!
1) As Lora and Sarah began hugging, Joe inserted his head in between the twos large breast woman for a car washing!
2) When Jim Bob wanted to go motor boat during the threesome, he decided that four boobs are better than one, so he went car washing!
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.