Pump Knot 
In Appalachian speech, a "pump knot" is a raised bump or swelling, usually from getting hit hard on the head.
Pump Knot
synonyms: goose egg
Hillbilly Dude Says...
I've heard 'pump knot' all my life, and still do. Hillbilly Dude Says...
I've heard 'pump knot' all my life, and still do. Pronunciation
[PUMP-not]
Meaning & Usage
- Raised bump from an injury (noun)
Elmer:
Estel:
Hope it ain’t me.
Hope it ain’t me.variations: pump-knot, pumpknot
★ If you hear someone threaten a "pump knot," they probably mean business - and you might want to step back. ★
Origin and Etymology
Likely comes from the resemblance of a swelling to the rounded knobs on an old-fashioned water pump handle. The term "knot" for a lump or bump dates back centuries in English.
Usage Notes
"Pump knot" is most often used in playful or exaggerated threats, but it can describe any noticeable swelling on the head. "Goose egg" is a similar term used elsewhere.
Kin Topics
Related Pages
How to Cite This Page
- APA (7th edition)The Hillbilly Dude. (2025, September 16). Pump Knot. HillbillySlang.com. https://www.hillbillyslang.com/definitions/pump-knot/
- MLA (9th edition)"The Hillbilly Dude." "Pump Knot." HillbillySlang.com, 16 Sept. 2025, https://www.hillbillyslang.com/definitions/pump-knot/.
- Chicago (17th edition)The Hillbilly Dude. "Pump Knot." HillbillySlang.com. September 16, 2025. https://www.hillbillyslang.com/definitions/pump-knot/.
Most Popular
Latest Accents
Latest Sayings
Latest Slang
Latest Southernish
About
Created by a true, actual, proper, real-life hillbilly, HillbillySlang is a growing field guide to culture, speech, memory, and meaning - rooted in Appalachia but reaching across the world. Every slang word, saying, accent and story is gathered from first-hand experience and trusted sources. The goal: preserve authentic voices and share them with writers, learners, and culture lovers everywhere - with a little humor thrown in here and there. Read more...