being cool, amazing, or awesome. a person, place, or thing can be shmiff. can also be used as "shmiffy". originally started at the waked's house by really good looking marina & edison students.
WHEN SOMETHING BAD OR THAT YOU DON'T LIKE HAPPENS. OR ANYTHING THAT HAPPENS AS A RESULT OF BEING AROUND OR HANGING OUT WITH OR WORKING WITH MIKE SHIFFERMILLER.
GOD DAMN IT MIKE OWES ME TWENTY DOLLARS AND SAYS HE CAN'T AFFORD TO PAY ME BACK, I GOT SHIFFERMILLER'D!