Dictionary.com Thesaurus.com

thumber

American

[thuhm-er] / ˈθʌm ər /

noun

Informal.

a hitchhiker.

Etymology

Origin of thumber

First recorded in 1930–35; thumb + -er ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.