The best way to say something is neat-o, awesome, or swell. The phrase "cool" is very relaxed, never goes out of style, and people will never laugh at you for using it, very conveniant for people like me who don't care about what's "in."
Homestar is cool.
The Red Sox are cool.
Twinkies are cool.
A member of one of the Slavic-speaking peoples of eastern Europe.
Serbians, Bulgarians. Russians are all Slavs.