sluff/slʌf/EtymologyFrom Middle English slough (“skin, husk, rind; cocoon; scales; cyst”), akin to Middle High German slûch (“slough”) (whence German Schlauch (“tube, hose”)).sluff means An avalanche, mudslide, or a like slumping of material or debris. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounAn avalanche, mudslide, or a like slumping of material or debris.“The Scouts learned from expert Keith Burke that snow avalanches come in different forms. A powder or "sluff" avalanche starts at a single point and fans out as surface snow slides downhill. These avalanches are not as violent as slab avalanches. Slab avalanches are very dangerous. They occur when a whole hillside of snow breaks loose in a giant slab, which then breaks into snow blocks that tumble ”verbignore, shrug (off)“Blaser, for whom the rumored death of his program has been an annual affair, recalled the other day how nervous he was the first time he heard swimming might be cut his freshman year and how it became easier to sluff off the rumors.”to avoid working“He's sluffing off somewhere.”To play truant from (school).“Sunshine for the Latter-Day Saint Mother's Soul Both calls told her the same thing — that her son had been sluffing school. She felt betrayed. She had trusted this child.”