The act of searching lewd acts on Wikipedia, and masturbating to the descriptions and textbook diagrams, primarily because you're incredibly horny and porn sites have been blocked from your computer, or maybe that's just what gets your rocks off.
Jonny's parents assumed installing a parental control block on his computer would keep him from spending all day on blowjobwhores.com, when in fact all he had to do was search "fellatio" on Wikipedia, and commence Wikiwhacking.
a game played by users of the online encyclopedia , wikipedia. this involves two or more users, trying to reach a set target page from the same page by only clicking links within articles (no searching at all)
wiki whacking could involve trying to get from an article about Chelseafootball club to an article about Gary Coleman
Wikiwalking is a speedgame which two or more people can play on Wikipedia. They choose a start page and an ending page. The first one to the final page wins that round, and normally you play the best two out of three.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.