i-adjective (yoi/ii class)
sexy and cool
Slang adjective blending エロ (erotic) and かっこいい (cool). Describes a person, look, or style that is both sexually attractive and stylish.
あの俳優はエロかっこいいと思う。
I think that actor is sexy and cool.
彼女の新しいドレス、エロかっこよくない?
Her new dress is sexy and cool, isn't it?