Definition of: squib

(skwib) noun
1. A roll or case filled with gunpowder, to be thrown or rolled swiftly, finally exploding like a rocket.
2. A tubular case filled with gunpowder and connected with an electric circuit, used for firing a charge in a blasthole, igniting a smokepot, or the like.
3. A broken firecracker that burns with a spitting sound.
4. A short speech or writing in a witty or satirical vein; a mild lampoon.
5. An undistinguished or petty person.
—v. squibbed, squib·bing v.i.
1. To write or use squibs.
2. To fire a squib.
3. To explode or sound like a squib.
4. To move quickly or restlessly.
—v.t
5. To attack with squibs; lampoon.
6. To fire or use as a squib. [Origin unknown]