Stg

[Tina]

It is an abbreviation for swear to god

[Luis Fok]

stg means swear to god. you are annoyed or reflecting on someones stupidity

[Tina]

Swear to God

[Couch Potatoe]

Sexually Transmitted Glitter- Normally happens when you have sex with a stripper or glitter skanks

[Jason Yan]

An abbreviation for the amazing [Los Angeles] based [electronica]/[indie]/[synthpop] band, called [Shiny Toy Guns].
Members include Chad Petree for vocals and guitar, Carah Faye for voices and vocals, Jeremy Dawson for synths and basses and Mikey Martin for drums.

[Justin Bieber]

Comes from the one and only Flash. STG is an ultimate compliment that can only be used by the 1 and only Flash Ahhhhh

[Rihanna]

Coming from the phrase Id smash the granny out of that, the Smash The Granny is abbreviated to STG, meaning any Fit, shaggable girl in the vicinity.

[Jason Yan]

Aptly stands for Super Tan Girl; a combination of a [Gina] and [Valley Girl] into one entity. Usually blonde, but is based on the overexcessive and obvious [fake bake] the girl has undergone.

Also associated with the more popular crowd, but not necessarily meaning that they are.

[Sonia]

(-noun -abbreviation)
stg stands for small tits girl. Generally used to describe a female person (or virtual character) with small-sized breasts.
The abbreviation can (relatively) [safely] be used among friends in public places, without raising [suspicion] of the person in question.
(First seen being used in source-code of some game as a reference to a female [npc])

[Mary Mallozziberg]

people use the [phrase] stg [in text]. it means [swear to god]