(of a container) to burst; to break from internal pressure / (often figuratively) to disperse/scatter with a burst / to have fun; to party / to go public; to be revealed

(music) a piano

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

(music) a grand piano

street piano

(music) a pianoforte (piano) / (music) pianoforte (playing softly, followed immediately by playing loudly)

(music) an upright piano

everything