1 definition by Gallion

Styro

a term created by the r/selfharmpics, the proper term is the dermis, the layer above hypodermis (fat) and below the epidermis (outer layer, does not bleed).

"styro" refers to Styrofoam, as someone once said the white layer (dermis) looks like Styrofoam.

"I finally hit styro"
"make sure to bandage it"

by Gallion May 24, 2018