a sparring partner

a sparring partner

Someone's sparring partner is someone they enjoy arguing with or discussing things with. My old sparring partner Chris Moyles has got the Radio 1 breakfast show in place of Sara Cox. Note: This expressing comes from boxing, where a sparring partner was someone to practise with.
See also: partner, spar
References in periodicals archive ?
According to reports, the Filipino world champion knocked down a sparring partner in the training camp session last Thursday.
Klitschko, who holds the IBF, IBO, WBO and WBA crown had used the 28-year-old Pianeta as a sparring partner last year.