burst in on
Definition of burst in on
: to suddenly enter a room and interrupt (someone or something) They just burst in on us without even knocking on the door.
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burstplay
: to break open, apart, or into pieces usually from impact or from pressure from within
: to give way from an excess of emotion
: to give vent suddenly to a repressed emotion
: a sudden outbreak
: a vehement outburst (as of emotion)
: explosion, eruption
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