The theory that states that we all start innocent and circumstances in life shape how we see right and wrong. The individual becomes the most important thing and our mission becomes so centered, that we only live to accomplish it. Love doesn't bloom hence it weakens us in our constant mental state of war against the systematic unchanged corrupted society. There are no heroes or villains, only goals.
Many WWII soldiers struggled back home with adaptation because of the Big Boss Effect.
by Rudernstein February 28, 2016
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A powerful sexual thrust that reminds/shows the woman who is boss. It may hurt the woman from time to time.
Last night I gave her Big Boss Thrust.
by Devon Parsons November 4, 2008
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the ultimate achievement in most of the metal gear solid game cept 3 since big boss wasn't around yet. usually requires beating the game on the hardest difficulty and not getting any alerts, any kills, using none or a limited amount of healing items and other crazy shit like that.
oh shit son, he got a big boss emblem, fuckers amazing at mgs!
by ryuuken July 6, 2008
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A guy who thinks he is strong and better than everyone else, but in reality he is a joke. Usually big boss men have big egos, but cannot live up to them.
That guy is such a big boss man, he walks down the street like hes in charge.
by Leitch Hall Umass Lowell October 14, 2009
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Just about the biggest shit a human can take. Taking a big boss hard shit may include actions such as:

Taking off all of your clothes in preparation

Praying to god

Holding on to the toilet seat

Big boss hard is the highest level of shit-ifficulty.
Person one: “do NOT go in the bathroom man, I just took a big boss hard shit”

Person two: “thanks for the heads-up, you probably just saved my life”
by awakaxis December 7, 2022
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Achievements or awards presented to gamers who complete rank-styled videogames with unprecedented speed and skill. Coined from the big boss emblem presented to players who complete Metal Gear Solid games in a limited amount of time with 0 kills, deaths, rations used, alerts, less then 10 bars of health drained, and so on.
player 1: "So are there any Big Boss Emblems (B.B Emblems) in this game???"

Player 2: "It's Devil May Cry, of course there are Big Boss Emblems!"
by AspiringMangaka June 16, 2010
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The theory that argues that we all start innocent and people, the environment and circumstances shape how we see right and wrong. We then have only one goal and there are no heroes or villains since you think that your objective is morally right. Love doesn't exist since it can weaken your mission and the individual is the most important thing.
After WWII many soldiers found themselves difficult to adapt to society because of the Big Boss Effect.
by Rudernstein February 16, 2016
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