OK, so we know Japanese like to abbreviate, but this one... oh boy, this one.
Here is a standard greeting Japanese people say at New Years (meaning not really important for the purpose of this post).
Reading: akemashite omedetou gozaimasu. kotoshi-mo yoroshiku onegaishimasu.
As you can see, quite a mouthful, but have no fear! Japanese people abbreviated the heck out of this expression and now you can say it ALL just by saying...
In contrast to the other more standard abbreviations, this is used more colloquially, but still, they pretty much performed a ZIP compression on that expression.
Expression Compression ...hey, I even rhymed in this post :P