noun
Regent hairstyle; ducktail
A men's hairstyle where the hair is swept back and often styled with volume at the front, associated with rockabilly and greaser fashion.
彼はいつもリーゼントスタイルにしている。
He always wears his hair in a Regent style.
あのバンドのボーカルはリーゼントスタイルがトレードマークだ。
The vocalist of that band is known for his ducktail hairstyle.
Variant with interpunct; less common but still seen.
Pompadour is a similar voluminous swept-back style but typically with more height and less of the ducktail shape at the back.
From English 'Regent style', referring to a hairstyle popularized in the mid-20th century.