ichidan verb, intransitive verb
collapse; fall down in a heap
Emphatic, colloquial way to say someone collapses or falls down heavily, often from exhaustion, illness, or shock. The prefix ぶっ adds forcefulness.
徹夜明けで、彼はその場にぶっ倒れた。
After staying up all night, he collapsed right there.
熱中症でぶっ倒
More people are collapsing from heatstroke.