A sawed off shotgun, typically double barreled.
All right, you primitive screw-heads, listen up! See this? This... is my boomstick! It's a twelve-gauge, double-barreled Remington. S-Mart's top of the line. You can find this in the sporting goods department. That's right, this sweet baby was made in Grand Rapids, Michigan. Retails for about $109.95. It's got a walnut stock, cobalt-blue steel, and a hair trigger. That's right... shop smart: shop S-Mart... Ya got that?!
by Rpk1157 April 20, 2019
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The bat of Nelson Cruz which allows him to hit a baseball amazingly far.
Man did u see how far that homer hit byNelson Cruz off Justin Verlander in 2011 ALCS went, it must have been his boomstick
by baseball hombre October 15, 2011
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A penis, irregardless of size, with highly volatile and extremely explosive ejaculatory properties. The current mortality rates for women whom allow said eruption to occur inside of the vaginal canal is 49%. There is a 73% chance of tissue damage and a 100% chance of internal bruising at the very least. Mortality rates for those attempting to take the burst orally jumps to 92%. It is not advised to ever let the eruption occur internally as there are 1.4 million projectiles speeding away from the penis at an average speed of 590 feet per second, though the current record is mach 1. Anyone with a penis that may be classified as a boomstick is required to have it registered for it's lethal abilities.
I took one shot from that boomstick and was gagging for a month!
by Pregnant Camel April 14, 2010
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Weapon that Chuck Greene uses from Dead Rising 2.

He obtains the combo card once he has reached level 40 or by defeating psychopath mechanic Jed Wright in Case 0.

It's a Mossberg shotgun with a pitchfork taped to it and it kills zombie by attaching the pitchfork and letting the shotgun rip!!!
Person 1: Look check me out on Dead Rising 2, I am using the Boomstick!

Person 2: Did you get it from Case Zero?

Person 1: No, I gained it the hard way by levelling up to 40.
by Inferno986return November 25, 2010
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a model of a paintball gun barrel made by DYE. is one of the most popular non interchangeable barrels on the market.
hey, do u use a boomstick? ya man DYE rules.
by u tell me February 10, 2004
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a member of the popular livejournal community "ohnotheydidnt" who has a huge stick up her ass, tries to patronizes people even though she likes to sit at home making hideously ugly icons, and is pitifully desperate for internet fame.
boomstick: "the internet is soooo juvenile, unlike me and my masterfully acquired skills at photoshop that hide my intellectual shortcomings" *goes to make britney spears icons*
by lori beth dunbar February 13, 2006
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