Definitions by MerMoff

no bo 

Short for 'No bother'; term frequently used in County Tyrone, Northern Ireland (West of the Bann river)

Used among friends in response to a request or a thank you, essentially means 'Not a problem' or 'No worries'. (Informal)

Text between work colleagues -

Tom: Window by the kitchen is still open, forgot to close it.

Jenny: Thanks, appreciate that.

Tom: No bo!

no bo by MerMoff June 9, 2014