1. The act in buying a normal double cheeseburger off the dollar menu while substituting the ketchup for bigmac sauce and the chopped onions for sliced, then putting french fries in between the beef patties as if to be the middle bun in a big mac.
2. A big-mac made out of other mcdonald's food items resulting in almost the same thing but half the price.
Did you hear how Bob jipped McDonald's by ordering a Ghetto Big-Mac?
by Spuxy March 22, 2007
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When some has a fetish for masterbating to the sight of Big Macs or someone eating a Big Mac
Carson loves to big mac wack to Kyle eating McDonalds.
by BallinLikeStalin February 28, 2017
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An ass that is so big and amazing that you you just want to take a bite out of it.
Did you see that chick on the treadmill with the big mac ass?

Yea, I just want to go take a bite out of it!
by crackle1102 August 18, 2014
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A type of Big Mac where there is 4 beef patties loads of sauce and lettuce cheese pickles and onions on a sesame seed bun. It's about $8.00 for the combo. Also named as Mega Mac.
by personqwerty123456789 May 20, 2011
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The term means to replace the middle bun of a double stacked burger, specifically a McDonald's Big Mac, with a Boston Cream. The result is a mess of calories and delicious (not really at all) creamy, meaty goodness
Yo guy, let's hit up McDonalds and Tim Hortons and make ourselves some Boston Big Macs
by BedsideKush March 10, 2011
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bryson is a fucking fat piece of shit who can smell mcdonalds from miles and miles away he will sit on you if you dont give him food within every 20 minutes and he is very scary. you can also hearhim from miles away walking all of the earthquakes are from him getting up which only happens every 5 years
person1: holy shit run its big mac bryson hes been awoken
person2: get the mcdonalds ready he'll be eating that for a good 30 seconds we can at least get far enough away to where he wont be able to get up again and chase us
by nigalopellord2.0 February 28, 2020
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A conservative who doesn't believe in anything higher than money and pleasure.

A conservative who sucks dick to the oligarchs and the Israel lobby.
Big Mac Conservative: ugh muh liberty muh big macs muh porn Israel is the only democracy in the middle east!
by Erik von kuehnelt leddhin November 16, 2019
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