Fall Through Edit Meaning

1.

Means your plans didn't work out for some reason.

(imagine someone trying to cross one of those suspended wooden bridges and falling through)

"Dude I know you're trying to hook up with that chick tomorrow night, but if that should fall through call me up and we'll play some vidja games."

See fall-through, fail, failing

2.

to make happen. Succeeding.

He made sure to fall through with getting a party bus.

See fall, succeed, through, happen, action