When an inadvertent right mouse click causes the menu to pop up on an Adobe Flash window, causing the user to lose control of whateverapplication they were using, as popularized by online chess personality Jerry (ChessNetwork).
Jerry thought he'd finally taken down the wolfman, but then he got hit with an Adobe Flash Gambit and he was done for.
A mash-up of "flashback" and "Facebooking." Occurs when a friend likes/comments on an embarrassingFacebook status or photo from many years ago, causing it to go to everyone's newsfeed, thus making the person ashamed of their stupidity/awful haircut/mirror selfie.
Erica was Flashbooking last night and got me good. I forgot I still had those selfie's from high school bandcamp on my Facebook.
Bill: "I was eating these really good chips that I found at Dan's house but I didn't know the name. turns out I was actually eating his cat's shit"
Hank: "..."
Bill: "...so I was at the arcade the other day..."
Hank: "What the fuck dude? you're just gonna drop a mental flashbang like that?"