Slang for cigarette. When you are out of cigarettes and you need to bum one off of someone, call it a shmiggity and they will be more likely ot give you one.
"Hey can I get a shmiggity," said the drunk beach bum, pointing at his friend's pack of cigarettes.
The most handsomest man in the whole entire universe of the world.
A.K.A. Sean McGuire (Tobey Maguire), Joe's brother
*Has bunches and bunches of hair
... I love him, very much a lot.
The most common uses of these sentences happen (mostly to me) while laying in bed at night.
"Oh, that one boy, Shiggity Sean, what a dreamy man. I can't wait to stare at him later... Oh, Shiggity Sean!!!"- Mom walks into bedroom asking if you are okay, you say yes, she leaves, and you keep fantasizing about the almighty Shiggity Sean.
What you may say when you really want to swear because you're excited or otherwise, but the congregation, support group or other prude association that you're affiliated with may be offended if you outright swear.
"Fack-Shiggity-Shak" I just won the lottery!
"Just stubbed my big toe, Fack-Shiggity-Shak that hurt!"