pipe-hitter noun3 •(informal) A person that smokes drugs (especially opium) from a pipe.We had several exhibitions of opium smoking, or "hitting the pipe." Every "pipe-hitter" seemed to feel glorious. — 1897 •(informal) An intrepid individual; a go-getter.This guy is one serious tackdriving pipe-hitter. If we're going to go after somebody this experienced, this dangerous, I think we deserve to know what he's really up to. — 2008 •(informal, slang) A skilled and intimidating soldier. formspipe-hitters