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Phalic stimulation with a 9 volt battery
Brump by Derp369 January 7, 2020
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bumpfire 

Verb/

Bumpfire, or bump firing*, is a technique used with semi-automatic firearms to replicate full-automatic fire, using the recoil and weight of the firearm to engage the trigger. This technique can be used with any semi-automatic firearm by affixing the trigger with a stationary object and pulling the handguard forward to fire a round.

Bump fire stocks, an aftermarket product which replaces the pistol-grip furniture of a rifle to accommodate bump firing, have recently come under scrutiny with their involvement in the Las Vegas massacre, although previously available for many years in the US.

Bump fire is viewed by many enthusiasts as a novelty, ineffective for combat or self-defense due to the uncertainty of the technique and inaccuracy of sustained rates of fire.
Johnny: I want to learn how to bumpfire my Ar-15

Bill: I'm calling the FBI
bumpfire by 🐺 February 24, 2018
Useless printed instuctions and manuals.
Originated in England during World War II when English soldiers were overwelmed with unnecessary printed materials and used them as they would toilet tissue or "bum fodder".
My new CD-ROM drive came with 40 pages of bumpf. Oprah's magazine makes good bumpf.
bumpf by 50 cent crack dealer July 31, 2003

bumpfire 

Bumpfire is the method using the recoil of a firearm to simulate full auto fire.
Sometimes a rubber band is involved
BumpFire , the tax free Full Auto
bumpfire by bumpfire.net July 15, 2009
Someone who is lacking social skills, but is still somewhat likeable/ tolerable.
I can barely stand to be around Steve lately. He is such a brump.
Brump by tigerlily69 October 10, 2009
bruhm-pee

-adjective, brumpier, brumpiest

1. To be an angry and/or grumpy black man (however not limited to the description of an african-american person)
He gets really brumpy when he hears white people trying to rap.
brumpy by Ken Hizzle December 9, 2008