junk mail definition

  • noun:
    • Third-class post, such as for instance adverts, mailed indiscriminately in large volumes.
    • any post or letters that are not welcome or solicited and usually submitted bulk; particularly mail of a commercial nature particularly marketing circulars and develop letters
    • third-class post consisting of marketing often addressed to `resident' or `occupant'

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  • Urban Dictionary for "junk mail"
    • Gloryholing through a mailbox slot
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