BT BB 4b(9) :קיפולא‏ :
See the entire entry for qippūl, qippūlā v.n.D scraping off

BT BB 4b(9) :דשריק ליה טינא מקפיל ליה‏ : he smears it with clay. (The other) scrapes it off
See the entire entry for qpl vb. to uncover; to roll up