a hot-air balloon

to fly in the air

empty air / meaninglessness / (Buddhism) sunyata: emptiness, vacuity, awareness, openness, thusness / (Buddhism) void: one of the 五大 (godai, literally “great five”) and the highest of the five elements

balloon (inflatable object to transport people or objects through the air)

to fly / to jump / to go quickly / to splash, splatter

fever / (physics) heat

(chiefly women's speech) first person singular pronoun: I, me

(transitive) to heat up / (intransitive) to heat

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness