sound, ring, honk, ring, twang

alarm, alert, warning

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

siren, alarm (device for making a sound alarm)

a tsunami warning

(firefighting) a fire alarm, a fire alert, a fire warning (a sound, not a device)

everything

(colloquial) current boyfriend