adverb (fukushi), adverb taking the 'to' particle, noun or participle which takes the aux. verb suru, adjectival nouns or quasi-adjectives (keiyodoshi), nouns which may take the genitive case particle 'no', onomatopoeic or mimetic, colloquial
1. brimming with youthful enthusiasm; in high spirits; raring to go; overflowing with youthful energy; acting all cute and charged up