bumphle noun 1verb 1forms 3 noun1 •(Scotland) A lump or mound where fabric does not lie smoothly.I look down at the dressing gown belt, the big bumphle in the knot and try to look casual. — 2010 verb1 •(Scotland) To form or cause a bumphle.I don't look in the mirror but it seems to fit as much as this sort of stuff ever does and the feather bits don't bumphle the material as much as you'd think. — 1994 formsbumphled · bumphling · bumphles