The act of only partially coming in ones partners ass, then pulling out and releasing the rest on the ass, legs, etc.

This is in reference to how Hitler was to have shot himself while hiding in his bunker.

See also Dirty Bunker
After having anal sex, the man gave the woman a Hitler's Bunker.
by NaughtyGod March 5, 2009
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A hybrid sex move that consists of a Dirty Sanchez immediately followed by a Dutch Oven. The victim/lover may now emerge from the bunker with their stylish Hitler 'stache.
My wife asked if we could get tickets to the next Dane Cook stand-up special. Instead, I gave her The Hitlers Bunker and told her it was time we see other people.
by Its science January 17, 2016
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The highest level of fucked imaginable. If you have fucked up this bad, there is no chance of recovery or redemption. Nobody will ever be able to justify your actions, and at this point total defeat is inevitable. Your best hope is to make peace with your deity of choice and end it all before the Russians do it for you.
John: On a scale of 1 to 100 how fucked am I?
Jack: On a scale of 1 to 100? You’re Hitler in the Bunker.
John: That bad?
by Kronl October 11, 2023
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