Taking a photo or a video of a friend and posting it on Sanpchat without their consent
Alice: I need to get into Rachael's phone.
Rose: Why?
Alice: That bitch has been back-snapping me!!!
by Em...whatever February 25, 2016
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Literally just the act of snapping someone's back like a KitKat. A good threat to use against assholes.
Harry: Bitch if you don't shut up I'll snap your back like a KitKat.
by Rapidash192 October 20, 2020
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Refers to the vaginas most amazing ability to "snap back" after it has been extremely stretched to full capacity by either a gargantuous penis, a larger sex toy, and/or squeezing a fuck trophy down the vagina canal causing with the hips to become wider then af5er you have completely recouped from the lack of better term "stretching and expanding"

Vagina. Now if it's tighter than before and you got a good those good controllable Squeeze Box muscles from practicing your kegels and can squeeze every last drop of toothpaste out of the tube from bottom to tip the vagina can now be referred to as a "SnapBack".
Nico: Hey have you seen. Anita since she popped out that dudes little fuck trophy?
Jim: No man I haven't, why what's up.?
Nico: saw that dirty whore yesterday she said I need a dick so I told her " I got this oversized man meet right here, i hope you got that "SnapBack" bitch. If I like it maybe I'll throw another Trophy up in you like your brother did. I didn't even get to finish though I ended up busting that snap back open.
by Nico Morales April 27, 2022
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