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n. Someone who intrudes upon, invades or disrupts - often covertly - the photograph of another. Snapjacking can be accomplished by facial expressions, hand signs or gestures, and in certain cases, handwritten signs.

See photobomber, photobombing
Nice vacation pics.

- Yeah, but some snapjacker ruined my two best ones. Fucker.
by toomuchflystyles July 13, 2011
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