The act of using an image software application, especially Adobe Photoshop, to manipulate an image, usually for comedic reasons
Websites such as Something Awful and Fark are well-known for photoshopping contests
The process of reviewing old photo's or yearbooks and suddenly discovering that someone has become more attractive. Usually indicative of a change in tastes or maturity, or a desire to hook up.
Girl: Great reunion get together! After looking at the reunion photo's I pulled out our yearbook and I have to say you were really hot!
Boy: You wouldn't give me the time of day in high school, sounds like now you are photoshopping me?
Girl: Doesn't mean we can't hook up now does it?
Boy (to his 15yr old self) : Stick with it! She'll come around eventually. Dreams can come true.
The act of taking a photo of someone, editing it humerously without the person knowing and distributing to friends via myspace or other such websites.
"you got totally photshopped!"
"I'm photoshopping Carl's face onto a fat naked man, lolz!"
Shopping for photos at the photo store / photo hut / photo shop.
Guy 1: "I'm going to go photoshopping, be back in a bit."
Guy 2: "But your computer's here."
Guy 1: "Not that kind of photoshopping! ;)"
(they break out into laughter)
Guy 3: "Will you guys keep it the fuck down over there?!"
Going shopping and taking photos of yourself in the mirror. Usually done in pairs, common in blog girls and those who use Twitter.
"We went to the mall but didn't find anything, we were photoshopping, we're so blogging these"