1WO

1WO stands for 1 Way Only
It should be used when you grindin for something that will get you UP cause UP is the only way to go. It can also be used for sexual, drinking etc situations.

A: Grindin season!!
B: For sure! It's 1WO!;

A: What's goin on between you and shawty C?
B: 1WO bruh (In this case the only way is the bed/sex);

A: You gonna drink that?
B: What you think? Of coure I am! 1WO! (Indicating the drink is goin down)