wrestle with a pig

Verb

 * 1)  To engage in a struggle with an opponent that benefits from the struggle even without winning it.
 * 2) * 1957, Barney Glazer's Column, The Loris Sentinel, Feb 13, p4.
 * "Whenever a boisterous and argumentative person cries to draw you into a public discussion or a wrangle, just remember this bit of advice. "Don't wrestle with a pig. You'll get dirty which is exactly what the pig likes."
 * 1) * 1957, Barney Glazer's Column, The Loris Sentinel, Feb 13, p4.
 * "Whenever a boisterous and argumentative person cries to draw you into a public discussion or a wrangle, just remember this bit of advice. "Don't wrestle with a pig. You'll get dirty which is exactly what the pig likes."