ばたつく Also written バタつく Meanings Godan verb, Intransitive to clatter; to rattle; to flap (noisily); to flutter; to thrash around to get in a panic; to get in a flap; to rush around Example sentences 蚊が羽を上下にばたつかせると、ブーンという特有の羽音が立つ。When mosquitoes beat their wings up and down, they produce a distinctive buzzing sound. Jinuma: Japanese Dictionary · Word lists