Strike with force, crash into; also, attack vigorously. For example, The truck plowed into the retaining wall, or Carol plowed into the pile of correspondence. This expression transfers the force of the farmer's plow to other enterprises. [Late 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.