Definition of "dime"

dime¹

/daɪm/

noun
plural dimes
1. (US) A coin worth one-tenth of a U.S. dollar.
2. (Canada) A coin worth one-tenth of a Canadian dollar.
3. (Canada, US) A small amount of money.
4. (US, Philippines, basketball) An assist.
5. (slang) A playing card with the rank of ten.
6. (slang) Ten dollars.
7. (slang) A thousand dollars.
  Quotations
  At one point, Rob hit a dire losing streak. In a single week, he dropped a dime—$1,000.
  2007 05, Ted McClelland, Horseplayers: Life at the Track, Chicago Review Press
8. (slang) A measurement of illicit drugs (usually marijuana) sold in ten dollar bags.
9. (slang) A ten year prison sentence.
  Quotations
  These deaths got him a dime in a minimum-security prison.
  2007 September 23, David Bowman, “Torchlit Crit”, in The New York Times‎
10. (slang) Payment responsibility.
11. (US, slang) A beautiful woman (10 on a 10-point scale).
  Quotations
  Make a couple of nuns a couple of dimes.
  2005, “Stay Fly”, in Jordan Houston, Darnell Carlton, Paul Beauregard, Premro Smith, Marlon Goodwin, David Brown, Willie Hutchinson (lyrics), Most Known Unknown‎, performed by Three 6 Mafia (featuring Young Buck, 8 Ball, and MJG), Sony BMG
  Wait in line for drinks, it’s another time out / Made out on the floor with a couple dimes
  2008, “House Music”, in Afterparty Babies, performed by Cadence Weapon
12. (American football) A defensive formation with six defensive backs, one of whom is a dimeback.

dime²

/daɪm/

verb
third-person singular simple present dimes, present participle diming, simple past and past participle dimed
1. (US, slang, with "on") To inform on, to turn in to the authorities, to rat on, especially anonymously.
2. (US, slang) To operate an audio amplifier (especially an electric guitar amplifier) at level "10" (typically the highest amplification level).