BMFHBig Mother Freakin' Hammer (polite form)
BMFHBastard Manager from Hell
References in periodicals archive ?
Affectionately known by some as "the Green Book" for its cover, or BMFH for short, Becoming More Fully Human is divided into five parts, each with an introduction and several brief but meaty chapters.
But it is in BMFH (Part Two, Chapter 6), along with many other topics similarly neglected in those necessarily limited sources.
In one hand was the glowing, red-hot action just out of the forge, in the other a BMFH (that stands for Big Monster Farrier's Hammer).