and my bowel movements run
like a German train schedule.
The Big Bang Theory Season 5, Episode 10
What's German for "annoying"?
The Big Bang Theory Season 12, Episode 7
Unless they're German,
The Big Bang Theory Season 7, Episode 12
(SINGING IN GERMAN)
The Big Bang Theory Season 10, Episode 20
Like reenacting the ancient German practice
of trial by combat.
The Big Bang Theory Season 8, Episode 19