Vukajlija is similar to the online dictionary of slang founded in what year?
Vukajlija: Vukajlija is a popular Serbia-based web site very similar to Urban Dictionary in content. Urban Dictionary: Urban Dictionary is a crowdsourced online dictionary of slang words and phrases that was founded in 1999 as a parody of Dictionary.com and Vocabulary.com by then-college freshman Aaron Peckham.
1999