Go sleep near a piano is a saying to tell someone to go ahead, although they will end up doing the opposite of what they wanted to do. This is because if you sleep near a piano, ur head will fall on the keys making a big noise and keeping you awake. Therefor doing the opposite of sleeping.
Brother: wassup my g, imma smoke weed.
Me: go sleep near a piano.
(Brother goes to smoke weed but then changes his mind and decides to help people on the street get off drugs.)
Insult used towards anyone who dyes their hair, but is targeted especially towards the Wapanese. The phrase comes from the act of dyeing one's hair before going to sleep, then putting a towel on their pillow to avoid staining it.
"Go to sleep, bitch! Die, motherfucker, die! Time's up, bitch, close your eyes! Go to sleep, bitch! Why are you still alive? How many times I gotta say close your eyes and go to sleep, bitch? Die, motherfucker, die! Bye bye motherfucker bye bye! Go to sleep, bitch! Why are you still alive? Why? Die motherfucker HA HA HA!" -Eminem ft. DMX, Obie Trice ("Go to Sleep")