No biggie. Start out with small frequent meals and just keep increasing the size. He's probably not the worse for wear. Dehydration would be a bigger problem I would think.

I've lost sand boas for 6 months before. Good thing you found him when you did. He would have been getting cold pretty soon.
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Travis Rose
1.3 Rough Scale Sand Boas
1.2 Indian sand boas
13.33 Kenyan Sand Boas
X.X Nervous Rats
X.X Paranoid Mice
0.3 Dogs
0.2 Cats
X.X Fish
0.1 Very understanding wife
2.0 Future Snake Lovers