slugfestPronunciation: /slʌgfɛst/Definition of slugfest noun North American informal a tough and challenging contest, especially in sports such as boxing and baseball: the fight brought back memories of the classic 1976 Lyle-Foreman slugfest those hearings turned into a rushed, circus-like political slugfestOrigin: early 20th century: from slug2 + -festslugfest in other Oxford dictionaries Definition of slugfest in the US English dictionary