The Collaborative International Dictionary
Shruff
Shruff \Shruff\, n. [Cf. Scruff, Scurf.] Rubbish. Specifically:
Dross or refuse of metals. [Obs.]
Light, dry wood, or stuff used for fuel. [Prov. Eng.]
Wiktionary
shruff
n. 1 rubbish, especially the dross or refuse of metals. 2 (context obsolete UK dialect English) Light, dry wood, or material used for fuel.