The act of claiming you'll do something well, but then being physically or metaphorically knocked down.

The phrase comes from the 2017 motion picture Dunkirk, directed by Christopher Nolan, which featured a character called George, who, despite claiming he would be 'useful', was kicked down a staircase and SPOILERS later died.
"Mickey said he could scale the wall, but then he got completely Dunkirked"
by Pikmin September 13, 2017
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A town infested with beavers. They are taking over the city.
Damn, I was walking down a street in Dunkirk and saw a beaver with its pants on the ground
by Jbeavs July 3, 2010
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By far Harry Styles best era! He could hit me with a bus and I would thank him.
I’m a total slut for Dunkirk Harry!
by Ipanema October 18, 2021
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This is a sexual term referring to the historic evacuation of 400,000 British soldiers from France during World War II. It is when the man ejaculates into a woman's vagina, then sucks all of it back out through her rectal area, then kisses it right back into her mouth.
I almost pulled out. But I didn't! So I had to perform a Dunkirk Evacuation to get those sperm cells out of there and into a safer territory.
by carebearseverywhere September 23, 2021
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