Flugeldufel 

A lever meant for raising or lower a german Nazi submarine

It says "Flugeldufel"

Hyperbolicbubble.com

Flugeldufel by SamusAranon July 1, 2012

Flugeldufel 

A replacement for an object that is either unknown, or has a process that is unknown that is either broken, or doesn't work as intended. Common usage normally follows "I/You/He/She/etc. broke the flugeldufel."

*Bob is surfing the internet, and then his modem crashed.*
Bob: "I broke the flugeldufel!"

Flugeldufel by JGPS24 December 30, 2011