Something that pussies who can’t control ak use and immediately gets flamed for using. If u use this, please get help.
Oh Wyatt has a muzzle brake on his ak? What a faggot.
by Big black rust god69 May 7, 2021
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to tell someone to slow down when trying to jump conclusions about someone or something; to slow your role; to caution another concerning any particular matter
Kenny, Pump the brakes, you are lying she did not steal your car!
by Freerl February 24, 2008
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While driving, hitting your brakes really hard to scare the crap out of the jerk driving two inches from your rear bumper.

Checking to make sure they have enough time to brake without rear-ending you (pissing them off).
This guy is driving way too close to my rear bumper, time to brake check him.
by Dustin December 3, 2003
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When in a race (normally from a roll) The operator of a "boosted" (turbocharged) car does a tricky maneuver involving applying brakes then adding in throttle to add more brake smoothly to eventually cause the engine to load up spooling the turbine creating boost/power while maintaining a constant rpm/speed so that when the driver lets off the brakes the car takes off like a bullet.
The car on the left brake boosted on that race.... didn't you hear the turbo spooling before they went?

Brake boosting
by Tw34kd November 20, 2009
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The act of constantly placing your foot on and off the brake pedal whilst driving a motor vehicle. Commonly used by people who cannot drive or are lost. A sign of hesitant driving.

Disco braking can be influenced by the weather with an increase seen during periods of rain and snow.
"If that car in front keeps disco braking I'm going to drive straight in to the back of the fucker!
by CityTiger April 29, 2009
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A compression release engine brake, frequently called a Jake brake or Jacobs brake, is an engine braking mechanism installed on some diesel engines. When activated, it opens exhaust valves in the cylinders, releasing the compressed air trapped in the cylinders, and slowing the vehicle.

Although Jake brake properly refers to the Jacobs brand of engine brakes, the term has become a genericized trademark and is often used to refer to engine brakes or compression release engine brakes in general, especially on large vehicles or heavy equipment.

They are often not allowed in to be used in towns as they create loud, clattering noises.
I saw a semi get pulled over because he pulled his Jake Brake in city limits trying to slow the rig down in a slower speed zone.
by Pele Lucciano October 16, 2010
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When being tailgated, you tap your brakes frantically in morse code type fashion. You tap them hard enough for the lights to light up, but not to actually slow down. It'll confuse the tailgater and they will back off. If they continue to tailgate, continue to freak out on the brakes. A skilled driver will be able to brake freak with the left foot while still using the right foot to maintain speed.
The other day someone was tailgating me, so I did a brake freakout and they had no choice but to slow down.
by Nirvalica February 9, 2010
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