Sentence:  Originally a single event in Sydney in 2000 named "comicfest", this expo has now grown into a country-spanning event, with gatherings in Melbourne, Brisbane, Sydney and Perth. A huge all-encompassing <WSD>nerdfest</WSD>, it attracts a huge crowd of Aussies hoping to meet their favourite creators and stars. 
Meaning of the word marked with <WSD> tags:  A gathering of nerds or an event centered around the interests of nerds.