Physiology

erection (of the penis); becoming erect; stiffening

welling up (of an emotion)

outbreak (e.g. of war); outburst; sudden occurrence

Colloquial

to have an erection; to become erect

sudden rise to power; sudden rise in prosperity

erection when waking in the morning; nocturnal penile tumescence; morning glory; morning wood

朝立ち only

early morning departure

'taru' adjective

suddenly; all at once

'taru' adjective

flaring up (in anger); in a flare

Bulgaria

Abbreviation; Common noun

Bulgaria

Obsolete term; 'taru' adjective

spirited; rising; energetic

Obsolete term; 'taru' adjective

sudden; abrupt

Pun on そそり立つ

to become erect (penis, nipple, etc.); to tower (like an erection)

Colloquial

semi-erection; half-boner