Top definition
Glaswegian expression, derrived from 'a fraction of a baw-hair', ( see Bawhair ) to describe a very minute increment.
Q: How far should I adjust the sprocket cam timing to achieve optimum output efficiency?

A: Just a bawfraction to the left.
by Fudd Gilchrist September 22, 2006
Get the mug
Get a Bawfraction mug for your dog Vivek.