Stuff  —n. 1 material; fabric. 2 substance or things not needing to be specified (lot of stuff on the news). 3 particular knowledge or activity (know one's stuff). 4 woollen fabric. 5 trash, nonsense. 6 (prec. By the) a colloq. Supply, esp. Of drink or drugs. B slang money. —v. 1 pack (a receptacle) tightly (stuff a cushion with feathers). 2 (foll. By in, into) force or cram (a thing). 3 fill out the skin of (an animal etc.) With material to restore the original shape. 4 fill (food, esp. Poultry) with a mixture, esp. Before cooking. 5 (also refl.) Fill with food; eat greedily. 6 push, esp. Hastily or clumsily. 7 (usu. In passive; foll. By up) block up (the nose etc.).