The Rostinian language is a Slavic language, spoken on a group of islands in a fictional extension of the Baltic Sea. It is hyper-agglutinative, to the point where whole sentences are put into single words.
http://relkton.blogspot.co.uk/2016/01/r ... guage.html
Roštinivedybproti! = Rostinia-in-good-come-2.pl! = Welcome to Rostinia!