upbeat; syncopated beat
In music, the weak beat or off-beat, often emphasized in syncopation. Contrasts with 表拍 (おもてはく), the downbeat.
This song has accents on the off-beats, making it easy to groove to.
In jazz, people often clap on the off-beats.
Compound of 裏 (うら, 'back, reverse') and 拍 (はく, 'beat'). The term directly describes the 'back' or 'reverse' beat in music.