Hitler_nein -

The "Nein" outburst is often used as a shorthand for extreme, irrational refusal or a "meltdown" over minor inconveniences. Cultural References

While Hitler shouts many things in the scene, the repetitive use of (German for "No!") became the focal point for parodies.

The "Nein" meme has been referenced in various media, including a compilation by fans of the show Critical Role who humorously track every time the number "nine" (homophone for "nein") is rolled or mentioned.