(noun) disorderly fighting. Synonyms: hassle, scuffle, tussle, dogfight.
Noun Definition 1
(adj) characterized by disorderly action and disregard for rules. Synonyms: bare-knuckle, bare-knuckled. Examples: "A rough-and-tumble fight." "Rough-and-tumble politics." "Undisguised bare-knuckle capitalism."
Adjective Definition 1