dirty muh Share definition Flag the act of pulling an all nighter at a kareoke bar, and waking up on someone who after you role over 3 times you are still on top of!! Someone spiked my drink and I pulled a dirty muh last night dirty muh by lilronron October 28, 2009 0 0 Get merch Get the dirty muh mug. Buy Now — $32.95 See more merch