The misspelling of "shiznoodle". Meaning, extreme respect and coolness. Shiznottle is also an expression used in the ghettos of San Francisco, Bay Area.
"Uhhh, that's off the shiznottle!"
by Ian Schoen January 9, 2005
Shiznottle is used a lot by people who pretend to be ghetto. They are afraid to seem preppy and use "cool" so they use shiznottle instead. It's used by private school people in San Francisco.
That is most definitely (or mos def) off the shiznottle.
by kristine morris April 24, 2005