Man-Child With A Gun. A product of internet gun culture, he loves (very specific parts of) the Constitution, and wants everyone to know it. (It ain't his fault wimminfolk and culluds weren't considered "people" when it was written. Take it up with The Founders.) Learned all he needs to know about firearms from video games and politics from internet. Always looking for an excuse to be self-righteously belligerent. Sees himself as a self-taught elite operator, but couldn't blend into a crowd to save his life.

The McWag is frequently found open carrying at a local McDonalds, wearing flipflops and an off-the-shelf AR with a ton of Chinese tacticool accessories stuck to it, or crashing political rallies that have nothing to do with him.
Pedro: "McWag, three o'clock"
Ingrid: "Is he using a belt for a sling?"
Pedro: "He must be. He just flagged us when he was hitching up his pants. Let's get out of here."
by SynDec January 23, 2021
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A McWAG is either a past or present girlfriend of one of the members of the pop band McFly.
It is a play on the classic use of the word WAG in relation to footballer's Wives And Girlfriends.
The positive:
God damn it those McWAGs are so lucky!

Or

The negative:
Those McWAGs, what a bunch of money grabbers!
by Ms Fletcher July 11, 2008
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St. Patrick's Day cocktail consisting of adding Baileys Irish Cream to a McDonalds Shamrock Shake. Delicious.
Lindsay added Baileys to my Shamrock Shake and made the perfect McWags!
by Salv0 November 26, 2011
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From "Man-Child With A Gun". Clothing, usually a black teeshirt, that proudly proclaims the wearer's love of God, Guns, Guts, and America; and the strong desire to proactively defend them from all enemies, foreign, domestic, or imaginary. This message is related through imagery of skulls, guns, motorcycles, more skulls, and a stylized font meant to invoke an outlaw lifestyle, but more often reminding viewers of the drunk uncle their parents let live in the garage "until he gets back on his feet." May also apply to a vehicle covered in stickers and flags expressing similar sentiments.
Ingrid: "I couldn't find a parking space. Where did all these pickup trucks come from?"
Pedro: "Check out all the McWag Swag. They must be meeting up to crash a protest somewhere."
by SynDec January 23, 2021
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