bulldozers

noun

1. 1.A tractor with an attached blade for pushing earth and building debris for coarse preliminary surface grading, demolishing building structures, etc.
2. 2.One who bulldozes.
3. 3.(chiefly in the plural) A member of a self-identified group of white US Southerners who colluded to influence outcomes of post-Reconstruction elections by intimidating, coercing and bullying black voters and legislators, including burning down houses and churches, flogging and murdering opponents.
4. 4.(by extension) A bully; an overbearing individual.