Adverb (fukushi), Adverb taking the 'to' particle, Suru verb, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'
1. brimming with youthful enthusiasm; in high spirits; raring to go; overflowing with youthful energy; acting all cute and charged upOnomatopoeic or mimetic word, Colloquial, See also 浮き浮き, used mainly of girls