Top definition
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 June 09, 2018
Get the mug
Get a Styro mug for your dad Vivek.
2
dayum styro is a leet mother fucker his awp is insaneeeeeeeee
by Styro January 09, 2005
Get the mug
Get a Styro mug for your barber Rihanna.