1. A song sung on someone's birthday.
2. The act of hitting someone with a container full of very hot tap water while they are sleeping or passed out; singing the happy birthday song.
My cousin was passed out on the couch so we filled up the dish basin with hot water and gave him a happy birthday, it was so funny!
1. Sitting on someones's face with their nose and other organs nestled within your ass crack and proceeding to bust ass.
Sister passed out early from drinking so brother dropped his drawers and sat on her face and gave her a clam baked.