1. A thick military boot.
2. A common epithet, used to conflate someone with Nazism.
"I am still without any clear information as to what a jackboot is. It is a kind of boot that you put on when you want to behave tyrannically: that is as much as anyone seems to know."

-George Orwell
by nedlum February 14, 2006
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1. Thick leather boots that go to the knee, used my military forces in the 17th, 18th, and 19th centuries.

2. Someone (usually a leader of military or police forces) that will do whatever it takes to accomplish their goals, the walking embodiment of "the ends justify the means".
1. The captain wore a pair of Jackboots with spurs to make his horse run faster.

2. The general sure is a jackboot, I hear he had 2 men whipped for leaving their post 2 minuets early
by Aries13XIII June 19, 2018
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Blanket term for authoritarians, someone who demands you bow to the state (government) or be forced to. Short for Jack Booted Thug.
That jackboot talks about freedom, but his voting record says otherwise.
by Hatchettwit May 7, 2021
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Thoes cool boots the Nazi's use to goose step with
Jackboots are used for heiling and marching
by The Col. November 28, 2004
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n.

1. Cruelly and violently oppressive brutal ruffians or assassins, usually wearing jackboots.

2. Heavily armed DEA agents, usually dressed in full riot gear, who kick down innocent civilians' doors in search of harmless medicinal herbs.

3. Heavily armed ATF agents, usually dressed in full riot gear, who kick down innocent civilians' doors in search of harmless cuban children.

4. Heavily armed FBI agents, usually dressed in full riot gear, who kick down evil terrorist's doors in search of lethal VX nerve gas.
The jackbooted thugs were tired after a long day of hassling hippies, killing terrorists, and rescuing young cuban boys.
by Eleusis October 14, 2003
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Harsh strongarm tactics; repressive, bullying and militaristic tactics like those used in authoritarian or totalitarian countries; - used opprobriously, and often in hyperbolic exaggeration of police tactics in democratic countries.
I was restricted from posting to facebook for 25 hours due to their jackboot tactics
by October 16, 2021
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