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I love Dutch, but I'm sorry to say it sounds like a joke language to Germans.
A bicycle is a "fiets" (pronounced like English "feets").
A small motorcycle is a "bromfiets".
A bicycle with a gas engine is a "snorrfiets".
On cycle paths where motorcycles are banned, there's a sign:
"Dus niet brommen of snorren".

A bicycle rental is advertized with "fietsen huren" and you can rent a bike on huren.nl ("Find de beste huurdeal")
(Huren is the German word for prostitutes)

My Parisian waiter when I say “Merci Beaucoup, Bonne soirée monsieur”

Waiters in Alsace (Eastern France) will reply in German when you try to practice your French.
They reply in French when you speak German.
When you talk to them in Alsatian or Pfälzisch, they'll introduce you to their grandma who will cook for you till you burst.

The word is "polyglot."