Top definition
1. nbcb stand for nabucibai

2. English -> your mum's pussy!

this phrase is use to scold people when they are angry
Girl: i wanna break up with you
Boy: nbcb! WHY!?

or

Boy: Please give me some money.
Mum: i don't have money.
Boy: you better give me the money, NBCB!
by valeriekeith September 08, 2010
Get the mug
Get a nbcb mug for your guy Trump.