noun: (UK, politics, slang, historical) A member of the Communist Party of Great Britain who supported the Soviet Union's policy of crushing revolts in Hungary in the 1950s and Czechoslovakia in the 1960s by sending tanks into those countries.
noun: (politics, slang, derogatory, by extension) A supporter of the policies of the Soviet Union or other authoritarian socialist governments.
noun: (military, slang) A soldier from a tank regiment.
noun: (rail transport, slang) A tank engine.
adjective: (politics, slang, derogatory) Supporting the policies of the Soviet Union or other authoritarian socialist governments.
