1. The process of applying insufficient buffing or polishing to a surface, resulting in an incomplete or substandard finish
The under-buffing of the car's paint left visible swirl marks and dull spots.
O polimento insuficiente da pintura do carro deixou marcas de redemoinho visíveis e manchas opacas.
2. In video gaming, reducing a character's or item's power level below what would be considered balanced or fair
The recent under-buffing of that weapon made it virtually useless in competitive play.
O enfraquecimento recente daquela arma a tornou praticamente inútil no jogo competitivo.