ぐっと
(adv) (1) (on-mim) suddenly/at once/in one go/with a jerk/with a gulp/(2) (on-mim) considerably/very much/a lot/(3) (on-mim) firmly/with an effort/tightly/exerting pressure/(4) (on-mim) completely (e.g. at a loss)/(5) (on-mim) deeply (e.g. moved)