(rag) v.t. ragged, rag·ging Slang
1. To tease or irritate.
2. To scold.
3. Brit. To play a practical joke on.
4. Brit. To wreck; make a mess of.
—noun Brit. A ragging. [? <ON ragna curse, swear]

(rag) noun
1. A torn piece of cloth; a fragment or semblance of anything.
2. plural Cotton or linen textile remnants used in the making of rag paper.
3. plural Tattered or shabby clothing; hence, any clothing: a jocular use.
4. A cloth of any kind, or something resembling one or characterized as such: used humorously or in disparagement.
5. In citrus fruits, the axis and carpellary walls.
—glad rags Slang One's best clothes.
—to chew the rag Slang To talk or argue at great length. [<ON rögg tuft or strip of fur]

(rag) noun
1. A roofing slate rough on one side, and measuring 2 × 3 feet.
2. Brit. Any hard rock of cellular or coarsely granular texture. [Origin uncertain]

(rag) v.t. ragged, rag·ging
To compose or play in ragtime.
—noun Ragtime.