Saw That Coming Like A Fat Man Round The Corner Edit Meaning

1.

Blatently obvious. If a fat person tries to sneak round a corner they will be seen, as their belly will protrude first and give them away. Hence if something can be seen a mile off, or is really obvious, it can be 'seen coming like a fat man round the corner'

Phil: 'Hey, did you hear Janice was fired?'

Butch: 'Yeah, I saw that coming like a fat man round the corner!"

See fat, corner, man, round, coming, obvious