A euphemism for smoking pot. Coined upon finding a bong made out of a Windex bottle. Best part is that it is "undercover" so can be used in mixed company.
'Hey girl. Do you wanna go "wash the windows" with me?'
"Yeah. You know I love "washing windows".
6π 9π
The act of ejaculating in such a quantity, that it gets all over the windows and walls of your bedroom.
Sorry baby, I didn't want to wash the windows.
If you laugh even the slightest sounds like a window getting washed , then august 29 is your day!,
Boy1: hey bro isnβt national wash a window day on august 29, today?
Boy 2: oh yeah , i better wash a window this instant bro!