What is stump broke? Nov 12, 2019 16:53:50 GMT -5 Quote Select PostDeselect PostLink to PostBack to Top Post by Disgusted on Nov 12, 2019 16:53:50 GMT -5 “Stump broke” is a crude and disgusting term for training an large animal to participate in beastiality. Any other use is from someone that really doesn’t know what it means.