Break Sea Level Share definition Flag To defecate in such a quantity that the turd(s) you produce rise above the water level in the toilet bowl. After eating at the buffet I went home and had to break sea level. I feel much better now. Break Sea Level by asdfwerczvxoiu January 12, 2009 0 0 Get merch Get the Break Sea Level mug. Buy Now — $32.95 See more merch