Brat

The word Brat has several meanings:

Spoiled brat, a child who gets his or her way all the time and is not disciplined.
Military brat (U.S. subculture), a person who grew up with a parent in the military.
Brat Pack, a group of young American movie actors.
Da Brat, a rapper popular in the 1990s.
Brat, an computer puzzle game released in 1991.
Brat and Brat-2, Russian crime movies.
Bratz is the name of a line of dolls which started production in 2001.
Brats, a 1930 Laurel and Hardy movie
An abbreviation of bratwurst.
Brat, an album by Charli xcx.

It can be an acronym for:

BRAT, a pickup truck made by Subaru
BRAT diet, a diet of bananas, rice, applesauce and toast given to patients with various forms of gastrointestinal distress.
Biroul Român de Audit al Tirajelor (Romanian Audit Bureaux of Circulations)