The Online Slang Dictionary
(American, English, and Urban slang)

Login     Register     Forgot password     Resend confirmation

Browsing page 1 of new words for December 21, 2020

U

UDO

expression

  • Unidentified Drop Offs or when glowing orbs or objects are seen dropping down from another object. Compare to UFO,or USO. For Example: What I saw in Arizona last night is what I called a [UDO] an Unidentified Drop Off.

    Last edited on Dec 21 2020. Submitted by Jaye-Supreme on Dec 21 2020.

+Add a definition for this slang term

More info:

Interactive stats: