Top definition
A bold number is any number, that is whole between 1-10, then any multiple of ten up to 100, then multiples of 100 up to 1000 etc. This can relate to anything at all, but mainly is used for prices
Person 1: Yo blud, this costs £20
Person 2: Safeee, thats a well bold number, lets get it
Person 1: Yeah man
by jh4792 July 24, 2011
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