Water disguised as Red Bull

First to be said, energy driks are not allowed on my school...

I have a Red Bull bottle I found in Germany on my trip to Austria (I have never seen Red Bull in bottles) so I kept it, so I could use it at my waterbottle (we have a cold water fountain on my school, so we can get cold water). Every time a teacher comes into our room, they ask who is drinking Red Bull.
Then Kristoffer (one of my best friends of all time) made up a pretty genius line... Water disguised af Red Bull :D

~MarieMuzzen