The compound of the words shit and internet wisely put together to express ones anger in how truly bad their internet connection is.
Dave: Hey Paul, are you gonna download the whole first season of LOST online?
Paul: Nope, I can't. My shitternets are just too slow.
Paul: Nope, I can't. My shitternets are just too slow.
by mrmcpowned January 20, 2011