Soj means you are lying or are a liar..... soj derives from a nice young lad named josh. Josh backwards is Hsoj; or SOJ for short. Soj likes to lie about everything he can think of and he is good at it. Also can mean doing something alot
"Spray On Jeans (SOJ)" is a recent phenomenon in female attire whereby jeans are so skin-tight, they notionally represent the fact that they may have been sprayed onto the body, rather than adorned with as usual clothing attire.
Man, you can barely see SOJ on that girl. But she looks DAM fine.