Grammar Monster
Grammar Monster

Meaning of UDI

What Does UDI Mean?

A UDI (an Unidentified Drinking Injury) is typically found the morning after a heavy drinking session. The injured party usually has no recollection whatsoever about how the injury occurred.

The "Hangover" series of films offers lots of good examples of UDIs (the most obvious example being when dentist "Stu Price" wakes up to find a tooth missing). All the films are based on determining how UDIs occurred.
Summary of Key Points

Definition for UDI

UDI means "Unidentified Drinking Injury". This is the most common definition for UDI on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about UDI:

Definition:Unidentified Drinking Injury
4: Difficult to guess
Typical Users:
An Image for UDI
When I write UDI, I mean this:

meaning of UDI
This image shows a man with an injury sustained while drunk. He has no idea how the injured happened.

Examples of UDI in Sentences

Here are some examples of UDI being used in sentences:
  • Did we get in a fight or something last night? I have two UDIs.
  • (Here, UDI is being used as a noun. Note: There is no need to use an apostrophe to show the plural of an abbreviation.)
  • I woke up this morning with a UDI problem.
  • (In this example, UDI is being used as an adjective.)

An Academic Look at UDI

UDI is an initialism abbreviation. This means it is pronounced using its individual letters (i.e., Yu Dee Aye). Initialisms contrast with acronyms, which are spoken like words. UDI is typically used as a noun.

Of note, the abbreviation UDI attracts the article "a" as opposed to "an" because it starts with a consonant sound (Yu). However, when spoken or written in full, it attracts "an" because it starts with a vowel sound (uh).

A Text with UDI

Using UDI on a Cell Phone (SMS Texts, Whatsapp, and Yubl)


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