Day Snorer Share definition Flag A fat slack jaw. It's a person who is so fat that when they breath it sounds like they are snoring. Tommy is so fat and a slack jaw which makes him snore while he's awake thus meaning he is a day snorer Day Snorer by b--rad September 6, 2012 0 0 Get merch Get the Day Snorer mug. Buy Now — $32.95 See more merch