がばっと

がばっと, がばと, がはと, かばと, がばりとgabatto

adverb

  1. suddenly
  2. all of a sudden
  3. quickly
  4. emphatically
  5. energetically

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences