No, not some dodgy-looking bloke in a "hoodie" (copyright Tony Blair and other assorted politicians) dishing out bits of chalk to unsuspecting crackheads at Stockwell tube, but the Irish word for "fun" (or something similar).
According to a report on the BBC website, linguistic experts have been drafted in to help internet search engines recognise Northern Irish dialect terms that might be entered.
Just goes to show how many words there are for the same thing when you look around...
ENA5 Language Varieties (dialects)
ENA6 Language Debates