A very sarcastic way of saying: obviosly.
(Sherlock Holmes was a detective in a classic series of books.)
Holy crap! You have a trampoline?
No shit sherlock!
Party real hard.
origin: Apu from "the Simpsons"
I'm gong to party like it's on sale for $19.99. (say it in your best Indian acent)
When someone looks like they are lost and have a really dumbass look on there face or they're just staring or holding an expression for a long time.
That guy is in nintendo land.
The ultra pimp characters from nintendo's Mario based video games.
Mack Daddy MARIOOOOOOOOOO!!!