I am not a native English speaker but usually I can understand quite well. This short video uses words that sound like English but most are fake. I found it funny but also slightly disconcerting to watch: what’s wrong with my ears?
http://www.trueactivist.com/gab_gallery/how-english-sounds-to-non-english-speakers/
The swearing at the end is perfectly English 
UL
Bizarre. Some of those words were slightly modified English words, but others seemed to have been made from scratch.
That’s basically how I perceive spoken German.
Hmmm… so you’re not prepared yet for Düsseldorf 
Nonsense, I can tell when people are swearing at me and just need to gesticulate a lot to get my point across.
Zwei Bier bitte!