The fuckin is an object you cannot describe.
My engine is leaking oil. The fuckin is the cause of the leak.
by $1400 November 23, 2017
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Strong exclamatory agreement, often to an unusually concise or precise statement or proposed course of action.

This is the correct spelling - beware the overformal 'fucking a', taking time to pronounce the g is a profanity faux pas and de-emphasizes the strong expression of agreement - you might as well say "jolly good show", queerbait.

Also beware dropping the apostrophe for the omitted g, just because we're using profanity doesn't mean we need to do it like an illiterate.
Ripley - "I say we take off, and nuke the entire site from orbit. It's the only way to be sure"

Hudson - "Fuckin' A..."
by Venger June 13, 2008
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When things are strangely going too well, that you feel that something bad is going to happen.
My makeups gone well tonight, well sh*t it’s the fuckining.
by Who are you? June 1, 2019
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A useful phrase when a friendly conversation has reached a lull.
"-so I told you that bitch was crazy..but...fuckin...you goin' to the club tonight?"
by Anonymous September 2, 2003
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"Fuckin' Awesome"

Can be said in good or bad context to indicate a positive or negative reaction (respectively), but no matter how it's used... it still means "Fuckin' Awesome"
1) -Holy shit! I passed English!
-Fuckin A, man!

2)Fuckin A, I can't believe I won.

3)Fuckin' A!... somebody finally wrote a decent definition for "fuckin' A"
by wobblyheadeddann April 1, 2006
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"fucking affirmative" derived from military radio communication. One would say affirmative but in the heat of battle "fucking affirmative" then "fuckin a"
by creamy love sausage March 10, 2009
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Fuckin' A means: 'Absolutely'. Or 'Damn straight'. To make the same statement, Aussies say "Bloody Oath" (or maybe 'kern Oath' if my sources are correct). There is no need to parse it to try to figure out what the 'A' means. It just is. All this 'awesome' and 'can be either positive or negative' comment is crap.
by A California Native October 5, 2010
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