A fork of Rural Dictionary
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.
To spend hours randomly clicking through links on wikipedia.
I looked up Bonnaroo and before you knew it I was wikiwhacking my way to My Morning Jacket.
vb.
The act of cutting out the middle-man, that is going straight to wikipedia.org for an answer to a question/debate instead of using the tired old route of google.com which will come up with wikipedia anyway.
Scotty: What's the capital of Burkina Faso?
Tim: I dunno, wikiwhack it!