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1. Combination of the words "good" and "effort".
"Good job on that test! Very geff!"
geff by lolazee October 29, 2009
Related Words
geffen • geff • geffy • Geff grade school • geffing • geffon • Geffrey • geffum • Geffa • Geffan
Name for a real ale in a British Public House.
"Let's go down to the pub for a few geffs.."
geff by stoofer December 4, 2007
When you inhale somebody else’s burp and kind of enjoy it
Guy 1: Yo bro did you have chipotle
Guy 2: yeah bro bro why?
Guy3: I just geff(ed) and it tasted good
Geff by GEFFrey_1 May 23, 2019
Sum lame ahh ish
“I’m down jus make sure that shi ain’t geff”
“Yooo bruh real life fumbled so hard that is so damn geff”
Geff by moe.gonzer May 22, 2025

Geff grade school 

Is a shit whole of a school the teachers are fucking cunts and have favorites like no other. They will side with anyone over the boys and never ever have any money because they are broke as hell.
Geff grade school by Geff kid November 5, 2019

Geff Grade School 

A school full of money hungry staff and there's no air conditioning in the gym, heaters are broken. Mold and roaches live rent free.

Mrs.C is a real one, though.
More from Urban Dictionary
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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