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definitions

litterbug

[lit-er-buhg]

noun

a person who litters public places with items of refuse: Litterbugs had thrown beer cans on the picnic grounds.

Origin of litterbug

First recorded in 1945–50; litter + bug1
Related formslit·ter·bug·ging, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for litterbug
n.

1947, from litter + bug (n.). According to Mario Pei ("The Story of Language," Lippincott, 1949) "coined by the New York subways on the analogy of 'jitterbug' ...."

Online Etymology Dictionary, © 2010 Douglas Harper