SH is an abbreviation for self harm. Self harm is when someone deliberately hurts themselves. The most common form of self harm is cutting, when someone tears skin and draws blood with a sharp object
Chad: “Bro, I hooked up with Jenny last night and she had SH scars on her stomach and wrists.
"So high". The abbreviation is useful when one is in public places and wants to tell their friends about their level of intoxication, but would prefer if strangers and/or authority figures did not know. Extra S's before the H indicate that one is higher than usual.
