wad

Short definition from Wiktionary

Noun

1. 1
   An amorphous, compact mass.
2. 2
   A substantial pile (normally of money).
3. 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.
4. 4
   A sandwich.
5. 5
   An ejaculation of semen.
6. 6
   Plumbago, graphite.
7. 7
   Any black manganese oxide or hydroxide mineral rich rock in the oxidized zone of various ore deposits.

Verb

1. 1
   To crumple or crush into a compact, amorphous shape or ball.
2. 2
   To wager.
3. 3
   To insert or force a wad into.
4. 4
   To stuff or line with some soft substance, or wadding, like cotton.

Phrase

1. 1
   Acronym of works as designed.
2. 2
   Acronym of where's all the data?, commonly used when referring to the video game Doom.