exaggerated puffed-up hairstyle (gyaru culture)
A voluminous, teased-up hairstyle associated with gyaru fashion subculture. Often achieved with heavy backcombing and hairspray.
See also: ギャル
She had her hair done in a big, puffed-up style for the party.
Compound of 盛り (mori, 'piling up, serving') and 髪 (kami, 'hair'), referring to hair that is piled up high.