A Greek name usually pertaining to a good family many of them are intensely strong but do not look it along with most greeks(They will be pissed if you mention it and get into a lot of fights about it usually ending with him kicking your ass in flipflops and you going to the hospital or dying in a parking lot) and have a gut that is never truly gotten rid of.
Guy: "I can take this guy he just looks fat!"
Friend: "I dunno he is a Basileios he could kick your ass!"
Friend: "I dunno he is a Basileios he could kick your ass!"
by kick ass irish October 8, 2009