Acronyms dictionary DEAT What does DEAT mean? DEAT is usually used in the plural, and is a slang word for details, as in phone numbers and addresses. Examples of DEAT Email person 1: I can't believe i lost my phone -- arrgh! Email person 2: What a DRAG. I'll send my deats in a minute Person 1: meet you there tomorrow? Person 2: i'll send deats then Person 1: Did you get an invite? Person 2: K has one, it has all the deats SEE MORE EXAMPLES Just Added bystander effect, CSI effect, Streisand effect, L + ratio, docufiction Note This is not meant to be a formal definition of DEAT like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of DEAT that will help our users expand their word mastery.