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From the world of Halo, a MAC (Magnetic Accelerator Cannon) gun is one of the humans defenses, usually placed on ships or orbital defense stations. Basically, a MAC gun is a similiar, if not the same, to a rail gun, with its high power and velocity/
That MAC gun just ripped a hole through that Covenant flagship!
MAC gun by LUEshi owns j00 January 24, 2005
Urban Dictionary Merch
A MAC gun is one of the UNSC's most powerful non-nuclear weapon. A MAC gun fires a ferrious core. The gun fires the 3,000 tonn projectile at 4/10th the speed of light and is the only known weapon to break through a covenant shield in one shot. MAC guns can be put on a UNSC ship or stationed above an important Earth colony
The MAC gun blasted the Covenant capitol ship in one shot
MAC gun by Chris000 July 17, 2006
Related Words

mac gunna 

Mac Gunny is crazy, loving, interesting, exciting, amazing. Godly but a demon. Mac Gunna Is life, Mac Gunna is music. He is the best rapper in Dallas Texas, his performances are lit aka turnt every time he hit the stage. He is loyal, faithful , Mac Gunna is the light that shines upon the earth. Mac Gunna is a god, A king of all kings...
Mac Gunna is everything all in one, the total package.

Mac Gunna is not a gun and i do not promote violence๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚

๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ๐Ÿ˜ˆ
Aint no show like a Mac Gunna Show..

Is that Mac Gunna ??

Mac Gunna one call away...

Gunna Gang Savage Artist
mac gunna by Jagg๐Ÿ˜ˆ February 14, 2017
More from Urban Dictionary
A group of people, typically women, searching through someoneโ€™s digital footprint in order to find more information about that person.
Susie wasnโ€™t sure if her new Hinge match was a creep, so she assembled Galantir and they found out he used to post slurs on gaming forums.
Galantir by Ge-sus September 22, 2026
Word of the Day on September 23, 2026

murderhobo 

In a tabletop game, a murderhobo is a player who murders NPCs indiscriminately. This is normally derogatory, referring to a player who totally ignores quests, dialog, backstory, trade, world building etc.

The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
DM: The sad little orphan girl tugs at Steve's trenchcoat to get his attention, and ask for help saving her pet dog from...
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
murderhobo by Loup&S September 9, 2021
Word of the Day on September 22, 2026
In sales terms, a whale is a prospect that is significantly larger than an organizationโ€™s average customer.

Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.

A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
"Shit...the sales director chewed me out on the sales call this morning. He's totally pissed that I have nothing in my pipeline. I've been focused on this one whale for so long that I haven't had time to prospect for normal-sized deals."
Whale by FQ_GFY February 3, 2020
Word of the Day on September 21, 2026

Concrete cowboy 

A guy who thinks he's a country kinda guy, but in reality lives a comfortable city / suburban life.
Eugene: Look at that dude in the cowboy hat!
Todd: He's just a concrete cowboy.
Word of the Day on September 20, 2026
any hard liquor that is cheap & potent.. eg. relska, popov, potters, evan williams, kamchatka, fireball, rumpleminze, southern comfort, everclear
hey let's get a drink of that?

go ahead
*takes drink* ugh wtf is that?

everclear & bepsi
fucking hobo loko eeessshh
hobo loko by d i z k o 2 0 8 September 14, 2026
Word of the Day on September 19, 2026
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