barney

(noun, verb)

noun

1. (Britain, Australia, Cockney rhyming slang) A noisy argument.

2. (Britain, Australia, Cockney rhyming slang) A minor physical fight.

3. (US, pejorative slang) A police officer, usually one perceived as inferior or overzealous.

verb

1. (Britain, Australia, Cockney rhyming slang) To argue, to quarrel.