[NWFree]

to break down; come to nothing; fail:
Despite all their efforts the peace talks collapsed.

to fall unconscious or as if unconscious or physically depleted, as from a stroke, heart attack, disease, or exhaustion.

Pathology.
to sink into extreme weakness.
(of lungs) to come into an airless state.
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I’m sticking with Dictionary.com you can take your lame excuses and blow them up someone else’s butt

[odawg]

“to fall unconscious or as if unconscious or physically depleted, as from a stroke, heart attack, disease, or exhaustion.”

Thanks for your definition. I will also stick with that one. That is the definition used for humans when they go down from other than a trip or fall.