WAD

noun

1. An amorphous, compact mass.
2. A substantial pile (normally of money).
3. A soft plug or seal, particularly as used between the powder and pellets in a shotgun cartridge, or earlier on the charge of a muzzleloader or cannon.

verb

1. To crumple or crush into a compact, amorphous shape or ball.
2. To wager.
3. To insert or force a wad into.