To take a huge dump that while resting on the bottom of the toilet is large enough to form an island
by randall December 9, 2003
 Get the breaking sea levelmug.
Get the breaking sea levelmug. To defecate in such a quantity that the turd(s) you produce rise above the water level in the toilet bowl.
by asdfwerczvxoiu January 12, 2009
 Get the Break Sea Levelmug.
Get the Break Sea Levelmug.