The line pairs the Tenth Doctor, the time-travelling hero of the long-running British science-fiction series Doctor Who, with Davros, the creator of the Daleks and one of his most persistent enemies. Because the Doctor is usually shown as witty and restrained, hearing him swear so bluntly at Davros stands out, and fans began sharing the brief clip on soundboards and in edits as a shorthand for exasperated confrontation. Its appeal endures because the contrast between hero and insult is instantly recognisable, even to viewers who have only a passing familiarity with the show.