Schleifer
noun
Schlei·fer ˈshlī-fər 
plural Schleifers
: slide entry 2 sense 1c(1)
Word History
Etymology
borrowed from German, literally, "slider," from schleifen "to drag, trail, slip" (going back to Middle High German sleifen, sleipfen, going back to Old High German sleifen, causative verb corresponding to Old High German slīfan "to slip, pass, decline") + -er -er entry 2
First Known Use
circa 1883, in the meaning defined above