Intentionally posing in other people's photos, for a later surprise.
Usually people making funny faces in the background, without the knowledge of the main subjects of the photo.
Jim is always photobombing, he messed ups some of the best photos from the wedding.
by U8IK May 6, 2008
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(verb)- to drop in a photo unexpectedly...to hop in a picture right before it is taken.
sarah: hey why is jimmy in the background of our prom picture?
ryan: idk, he must have photobombed it at the last second.
by jervis_star1 June 27, 2008
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An otherwise normal photo that has been ruined or spoiled by someone who was not supposed to be in the photograph.
The most common photobomb is someone in the background making a face.
by Teresa from OK November 16, 2009
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When people hilariously ruin your nice little picture by jumping in.
NO WAY!! We got photobombed in every single one of our prom photos!
by Luxferre May 15, 2008
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Any time the background of a picture hijacks the original focus.
Uncle Bob's hairy ass totally photobombed that picture.
by photobomber May 9, 2009
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Often intoxicated dude that works his way stealthily into your photographs, completely ruining another potentially awesome picture pf girls making out

"damn that photobomber for messin my pic!"
by mike deguzi June 19, 2008
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The act where one or several persons ruin (sometimes improve) a photo by performing funny acts in the background which may include a dry gangbang, holding stick like objects up to your crotch or raising your clothing.
Hey Johnno's been photobombing all the photos from the party. See his ass in the shop window in the background?
by ladiesman219 June 23, 2009
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