# junkyard dog

> English word · Noun

## Definitions
1. An aggressive dog which guards a scrapyard or junkyard.
2. An animal or person with an especially nasty and combative demeanor.
3. A hot dog laden with toppings, such as onions, pineapple, or chili.

## Etymology
From junkyard + dog. The literal sense was popularized by the song Bad, Bad Leroy Brown (1973) by Jim Croce (see citation below).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/junkyard-dog