In a few words: International university, Germany central, nerds central, dutch frat guys central, PBL method, bikes infested.
The only university capable of driving its students into nerds. Even the hopeless ones.
No matter where Maastricht Uni students have studied before/afterwards, UM will always remain the hardest one for them.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).