How to Use "smudgy" with Example Sentences

1. After punching in the pet 's name , he watched in awe as the star 's private e-mails poured down his smudgy pc screen .
2. I could tell it was a forged note because the ink was smudgy .
3. You know what it is ? It 's smudgy because they 're fax pages .
4. If you 've been noticing an increase in the number of smudgy fingerprints on your computer screen , it may be because your young children are spending more time online .