being the first to enter a freshly-prepared bath

is the best among (others)

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

dizziness from standing up, orthostatic hypotension

Alternative spelling of 立ち眩み

starting up (a business etc.)

(anime, manga, video games) full-body standing drawing of a character

to be superior; to excel, surpass