Skip to main content
a slang term for a woman's vagina during sexual intercourse
A guy buries his dick in a woman's duffer.
duffer by DICKshunarie July 7, 2003
A name for Velcro running shoes that look like the type an old person would wear.
Those shoes you got from the thrift store are real duffers!
Duffer by Whistlinphil September 15, 2016
A sifting device used to remove shake and/or B Buds from finished A grade cannabis buds. Usually jury-rigged on the farm from chicken wire and random materials or can be purchased in stores made from plastic. Used by shaking cannabis in the sifter until separated.
"I've got this pound you wanted, but they have quite a bit of shake in em. Do you have a duffer?"
Duffer by Little Salt August 7, 2020
Traditionally meaning "total idiot", duffer is a mashup which translates to "dumb fucker." Generally viewed as an appropriate term for elderly people who make absolutely zero sense to a rational person attempting to understand their reasoning for doing what they do.
"Why is there a brake drum in the dish drainer?" "I don't know. Ask Duffer. It's his house"

Upon seeing shredded bits of garden hose scattered across the yard, it's safe to assume duffer ran another one over with the lawn mower.
Duffer by lifebgood4ever August 5, 2022
Duffer
Some duffers took 3 of my best cows from the top paddock
Duffer by Monty Schnoodle April 6, 2023
A censored version of Dummy, used to insult someone's intelligence in a playful context.
- Shut up DUFFER!

- Guy 1: "2 + 2 equals 5"

Guy 2: "No, its 5 duffer"
Duffer by Very Wise Old Man April 10, 2026