Definition of "DD"

Initialism of designated driver.  examples

Initialism of discharged dead: official designation of a sailor killed in combat  examples

Initialism of direct debit.  examples

Initialism of deficit disorder.  examples

Initialism of doctor of divinity.  examples

(computing) Initialism of Debian developer.  examples

(sports) Initialism of degree of difficulty.  examples

(US, military, nautical) Abbreviation of destroyer, a type of warship.

(automotive) Initialism of daily driver: a vehicle which is used for everyday commuting, unlike a weekend warrior / Sunday Funday vehicle.  examples

Initialism of dual diagnosis.  examples

Initialism of demand draft.  examples

(vulgar, in the plural) A breast of cup size DD.  examples

(Internet) Initialism of direct download.  examples

Initialism of decimal degrees. (decimalized instead of sexagesimal values for arcdegrees)  examples

Abbreviation of daddy dom in DD/LG kink.  quotations  examples

Initialism of due diligence.  examples

Initialism of delivery date.  examples

Initialism of dear/darling daughter.  examples

Abbreviation of Daman and Diu.  examples

Abbreviation of Dadra and Nagar Haveli and Daman and Diu.  examples

Initialism of developmentally disabled.  examples