When someone is listing options and you automatically choose the first choice. This usually leads to the person doubting you or you doubting yourself, eventually causing you to switch your answer.
Mike: Yo, Shaniqua.
Shaniqua: Hey, you wanna see a movie tonight?
Mike: Sure... what movie?
Shaniqua: How about Finding Nemo, Busty Cops 4, or He's Just Not That Into You?
Mike: I like Finding Nemo...
Shaniqua: GODDAMMIT MIKE CUT THE BULLSHIT WITH YOUR FIRST CHOICE BIAS!!

Joe: Hey, man
Paublo: Hey, Joe.
Joe: You wanna put dog shit on someone's doorstep?
Paublo: Sure. You wanna hit the Jefferson's, Al Murra's, Nagaski's, or the Smith's?
Joe: The Jefferson's I guess.
Paublo: Oh.. okay.
Joe: What? Ooh... you think it's my first choice bias choosing that.
Paublo: Huh? Oh no it's just...
Joe: that's cool dude.
by Ass Kicka November 11, 2010
Get the First Choice Bias mug.