hard knocker
n.— «A hard knocker in racetrack parlance is a horse who races consistently with determination, regardless of circumstances.» —“Lone Star Park Notes” by Gary West in Grand Prairie Star-Telegram (Fort Worth, Texas) Apr. 28, 2005. (source: Double-Tongued Dictionary)
Further reading
Mick in Stevens Point, Wisconsin, shares that a co-worker from Texas used to advise him when lifting heavy objects to heave carefully because You don’t want to strain your milk. The origin of this expression is uncertain, although it may...
Barbara in Jacksonville, Florida, recalls her grandmother saying she liked her coffee strong enough to tote double and kick up behind. The expression tote double refers to the action of a horse carrying two people. If a horse is able to kick up...