shake off

shake off idiom
Free oneself or get rid of something or someone, as in I've had a hard time shaking off this cold, or She forged ahead, shaking off all the other runners. It is also put as give someone the shake, as in We managed to give our pursuers the shake. The first term dates from the late 1300s; the slangy variant dates from the second half of the 1800s.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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