Definitions by Mr. Polly

STG 

Legal term that means security threat group aka gang activity.

The inmate was classified as STG due to his gang involvement.

STG by Mr. Polly May 5, 2019

Gually 

A little punkass bitch that is afraid of everything & hides because he's afraid to have a real life.

I just watched him run & hide under the chair. He's such a little gually.

Gually by Mr. Polly January 13, 2019