An exclamation of unhappiness. Often used when supremely pissed off. While fucking a is generally a good thing (meaning fucking amazing), this is a bad thing.
by MuZ1 February 17, 2009
An exclamation coined as a combanation of the words shit and merde, both mean the same thing, but one is in another language. Together they form "SHMERDE!"
by MuZ1 February 17, 2009