deb

noun3

1. •
   (informal) A debutante (a young woman who makes her first formal appearance in society).

   • Josie Powell that was, prettiest deb in Dublin. How time flies by! — 1922
2. •
   (informal) A debutante ball or debut.

   • "When I met him at my deb, I fell for him. Wanted nothing more than to marry him. That it happened, even after all those years, felt as if the stars had finally aligned." — 2017
3. •
   (slang, old-fashioned) A female member of a gang.

   • Then one night Liz showed up at the factory with a scratched face and torn blouse. She had been in a fight at the park with another girl, a deb of the Porto Rican Flyers. — 1950

noun2

1. •
   Initialism of dystrophic epidermolysis bullosa.
2. •
   Initialism of dynamic energy budget.

noun1

1. •
   Abbreviation of debate.