dizziness from standing up, orthostatic hypotension

to stand up, to get up / to take action / to recover (from defeat, something painful, etc.) / (sumo) to end warming up (shikiri) and start a match / (computing) to boot

to be dazzled by; to be dizzied by; to be disoriented by / to be lost in (greed, lust, etc.) / (archaic) to become dark

sudden / immediate, rapid

urgent / sudden / hasty / rapid / fast / quick / abrupt / hurry

suddenly / abruptly

(Onmyodo) An incantation used to ward off evil spirits.

standing and eating / eating at a street stall or other establishment that has no seating

to eat while standing / to eat at a street stall or other establishment that has no seating

boot up a computer / start up, establish a business