とっさ
咄嗟
tossa

Noun
no-Adjective

1. moment; instant

Usually Written in Kana
Related to 咄嗟に【とっさに】
社長しゃちょうのとっさのひらめきなんだって。
shachōno tossano hirameki nandatte.
It came to the president like a bolt of lightning.