(computing, Internet) A denial-of-service attack.

(transitive, computing, Internet) To commit a denial-of-service attack against.

(teaching) Director of Studies; someone in charge of the academic side of a school including training teachers and deciding course materials.

plural of doing / regular activities / social events / (Australia, vulgar, dated) sewage.

plural of to-do

present participle of do in

Alternative spelling of dos; plural of do

present participle of do it

(nonstandard) simple past tense and past participle of do

plural of 'do