the act of completely fucking someone's mind.

getting inside someones head, and either convincing them of something, or causing them to question the reality of the situation.

after inceptioning someone it is imperative to say inception to the target, letting them know they just got mind fucked

IMPORTANT:

Inception is also a game, with rules

*inception is a game best played lit as fuck, and is won when one person inceptions everyone in the room, regardless. you should always help out someone trying to inception another, by validating their story.
guy1: dude so when you going to order that pizza
guy2(target): what pizza?
guy1: you just said you would order a pizza
guy3: yeah man you did say that
guy2: No i didnt
guy4: yes you did dude
guy1: come on man!
guy2: damn, alright
guy1: inception!

guy3: you just got inceptioned

target: hey you guys want to watch the game?
guy1: what?
target: the championship game?
gu1: what are you talking about, they played that yesterday
target: no its today
guy3: it was yesterday dude, we all watched it
target: :no seriously
guy1: seriously it was yesterday at 9:00
target: what! (looks it up online)
guy1: Inception!
target: damn, you inceptioned me pretty good haha
by Hardbodychamp28 April 7, 2011
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The act of instilling an idea in someone's mind subconsciously.
After discussing how hot it is outside.

Ryan says: So I think we should go get ice cream.
Brian says: Dude, I so just incepted you.
by Gilly285986 December 29, 2011
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derives from inception

referring to the short period of time when your mind dies just after you've watched inception; when the whole world around you seems like a dream as you struggle to find a totem that could actually tell you the freaking difference...
Oh snap! My totem! its still standing! FAAAAK I think im incepted!
by mr. icey August 4, 2010
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It's...nevermind, you're probably too stupid to understand it.
Roger: Hey man, you see Inception yet?
Butch: Yeah, but I didn't really get it...
Roger: Wow.
by OODAPOWPOW January 9, 2011
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When another person mentions something completely unimportant during a normal conversation and that idea becomes so lodged in your mind that you cannot help but act on it sometime in the near future. Then when you act on it, you get screwed.
Girl Next To You: "Hey, so I was talking to this guy last night and he just randomly kissed me. I didn't even care. I just kissed him back."
You: "Well that sure is interesting..."

Two days later...

You: "Hey (insert random girl's name here), I wanna kiss you even though I don't know you."

Random Girl: "That's really stupid you perv!" (insert slap here)

You: "Well thank you very much (insert name of girl you were sitting by), I seem to have been inceptioned..."
by Schrodinger'spuppet December 13, 2010
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(in-ˈsep-shən)--adj. anything having to do with the act of altering ones mind-set or thoughts; The process of entering another persons "dream-scape" with the intentions of changing their ideals about something or helping them to remember something.
Before the inception process, the client had an intent to kill the man. Now he only wants to befriend him because he realized it was a misunderstanding.
by UbuntuKurisu December 16, 2010
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Inceptional : an idea, thought, dream or any other mentally conceived concept which is encapsulated at least once by itself.
by Busky121212 August 18, 2012
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