Definitions by ChairmanMao69

wdmy

This literally means "Oh my mother!" This is an abbreviation for 我(wo)的(de)妈(ma)呀(ya). This is typically used when someone is surprised or shocked.

Person 1: Did you hear how Shirley ate 20 fish balls?
Person 2: wdmy, how can someone eat 20 gigantic fish balls?

wdmy by ChairmanMao69 September 19, 2021

YBBI 

You better believe it!

Person A: Are we doing the thang tomorrow?
Person B: YBBI

YBBI by ChairmanMao69 October 16, 2019