What is "semes"

Usage examples of "semes".

Then thi fog semes 2 collect aroun me & its like its not fog @ ol its made up not ov water but ov metil filings, metil dust, sleetin in2 ma skin like asid, burrowing in2 ma pores & it hurts & ma Is go wide & thi metil dust is sandpaperin ma Is & makin me screem & as I opin my mouf its fillin it & nose wif metil grit & am breevin it in & its fire, like breevin flame, fillin me, roastin me from inside.