It's what you say when some crazy ass, epic, and/or ridiculous shit goes down; usually said by a random on-looker.

Variants of the word "Aw Shit Son" include:
Aw Bob Saget
Aw Dayumn Son
Aw Damn It
*little white boy beats up a straight up baller*
Random On-Looker: AW SHIT SON

*a dude gets 20 caps in his ass*
On looker: AW SHIT SONNNNN!!!! DAYUMNNNNNNNNNNNN
by samhigginsisasexybeast December 20, 2009
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A phrase that is said when something crazy, cool, or unexpected happens.
Guy one: AW SHIT BROTHA WE WONNNN

Guy two: OH DAMN
by fatbrighty December 6, 2013
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Something that is so horrendous, it approachs the awfulness of God.
That movie Vanilla Sky was truly a god awful piece of shit
by the_unnecessary_beard November 1, 2015
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Someone or something that is so horrendous, appalling, and vile, that it bears a quality which approximates the atrocity of God.
I just watch a movie with Kevin Sorbo, man what a god awful piece of shit!
by Meat_hole October 31, 2015
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The excuse you use when a girl (usually named something like Sarah) tries to give you head but you don't want Had because she bites
"Dude I had a close call last night and if I werent for me calling aw shit cooties Tiffany would have bit my dick off"
by Chantheman224 November 26, 2016
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