A frantic scramble of a task or challenge in which the odds are severely against you. Sui Mish is derived from the words Suicide Mission.
Greg: " Hey Mark wana go take some of your Dad's booze?"
Mark:"Nah man he'll be home any minute it's too much of a sui mish.
Mark:"Nah man he'll be home any minute it's too much of a sui mish.
by PabloSanzibar October 3, 2012