Groovy

[Couch Potatoe]

Opposite of square. Groovy is originally an expression from jazz, meaning musical, playable, as in a groovy record. [The groove] of the record has beat and soul. Something or someone groovy has beat and soul. The term was adopted by the [musically inclined] countercultures of [beatniks] and hippies.

[Becky]

Fashionable and exciting.

[Agnes]

very fashionable and interesting: