rough and tumble
noun
• a situation without rules or organization; a free-for-all.
• "the rough and tumble of political life"
Similar:
scuffle,
struggle,
fight,
brawl,
fracas,
rumpus,
melee,
free-for-all,
scrimmage,
donnybrook,
affray,
scrap,
dust-up,
punch-up,
shindy,
roughhouse,
Origin:
early 19th century: originally boxing slang.