How to pronounce dime:
(with "on") to inform on, to turn in to the authorities, to rat on, especially anonymously.
Example: "Somebody dimed on me and i got arrested for selling marijuana."
To operate an audio amplifier (especially an electric guitar amplifier) at level "10" (typically the highest amplification level).
Example: "I get the best-sounding sustain and smooth harmonic distortion when i run the amp dimed."