Definition of "DoS"

DoS¹

noun
plural DoSs or DoSes
1. (computing, Internet) A denial-of-service attack.
verb
third-person singular simple present DoSes, present participle DoSing, simple past and past participle DoSed
1. (transitive, computing, Internet) To commit a denial-of-service attack against.
  Quotations
  In addition to out-of-spec traffic, malicious packets can contain payloads that cause a system to crash. A packet's payload is taken as input into a service. If the input is not properly checked, the application can be DoSed.
  2003, Jack Koziol, Intrusion Detection with Snort, Indianapolis, IN: Sams Publishing, page 15