hot rod

hot rod idiom
An automobile modified to increase its speed and acceleration, as in Kids love to tinker with cars and try to convert them into hot rods. [Mid-1900s] Also see hopped up.

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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