The story
From mecha + Hitler. Originally a character in the 1992 video game Wolfenstein 3D; brought to renewed prominence in 2025 by Elon Musk's chatbot Grok.
Etymology from Wiktionary, CC BY-SA 4.0.
MechaHitler
Today it means: A conjectural reincarnation of Adolf Hitler as a giant, armored mecha robot. Full definition →