1. A perversion of the phrase [West Side]. This pronounciation is often used by white people in conjunction with a brandishing of their hand with the middle and ring fingers crossed, forming a "W" shape.
2. Not the [East Side], [South Side] or [North Side], but the side in the other compass direction.
> Meek White Child: :: Brandishes hand :: Wesside.
> Imposing Black Male: :: Brandishes hand :: Wesside.