A term coined by yours truly, used to combine, synergistically, the meanings of oh snap and oh shit, to convey a deeper sense of humiliation and embarrassment.

Usage may vary between 'snap shit!', 'oh snap shit!', 'aww snap shit!', or the addition of an 's' as in 'snap shits!'.
Example 1:

Sal J: Man Isa you were on fire last night on Halo 3
Ammr: Yea you totally pwned both of us, we got no kills!
Isa: Lol you noobs, I wasn't playing last night, it was my baby sister!
Majed: Aww Snap shits!

Example 2:

Isa and Ammr playing Fear
Isa: man this game is creepy!
*something scary happens*
Ammr: OMG i just crapped my pants!
Isa: snap shits!

Example 3:

Person 1: man that girl is ugly
Person 2: that's my sister you bitch
Person 3: Oh snap shit!!
by Aymenov April 3, 2008
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You'll snap shit when you go to the war soldier, or you'll come back in a rubber sack.
by Cosmicstargoat May 15, 2004
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Yet another Australian expression of surprise, disbelief ar anguish. There is quite a collection of these (see tags below).

Usually said with each word pronounced very separately and deliberately, but is quite often uncontrolled. The first thing I said when I turned on the TV and saw the World Trade Centre collapse was:
by Choda Boy 57 August 24, 2006
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One that snapchats while shitting
Stacey is such a snap shitter
by GangbangGrandma August 6, 2017
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