Abriviation For Shit Turd Mother Fucker. A female gang name in western NewYork containing 6 people. Member names include Lightning, MilkShake, Scarr, Fierce, Poison, Curly Cue. This gang is known for fucking people up. Scarr-Holds down, Lightning-punches Face, Poison-Rib breaker, Fierce-video Recorder, Curly cue-Pulls hair, Milkshake Scratches.
I was walking in the mall and i caught a glimpse of S T M F fucking up Katie Poopey