ブチ撒まける

1. 1to dump (e.g. onto the floor) ; to empty by overturning ; to throw out (the contents) Translated by Jiyomi
2. 2to tell everything ; to open one's heart ; to reveal (a secret, the truth, etc.) ; to vent (e.g. one's anger) Translated by Jiyomi

Other writings and readings

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JMdict entry 1011150. Source and licence.