The difference between Drop a dime and Grass up

When used as verbs, drop a dime means to make a telephone call, usually calling authorities to report another's activities, whereas grass up means to betray by informing on.


check bellow for the other definitions of Drop a dime and Grass up

  1. Drop a dime as a verb (idiomatic, slang):

    To make a telephone call, usually calling authorities to report another's activities.

    Examples:

    "He was in the back for a few minutes. Turned out he was dropping a dime on Ralph."

  2. Drop a dime as a verb (slang, with ''on''):

    To inform (on).

  1. Grass up as a verb (UK, slang):

    To betray by informing on.