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n.: (JEE-f.) british slang for "fool"; a nincompoop, an idiot.

v.: (JEE-f'd)displaying prominent foolishness.

proper noun: Jeefe McGibbons; a Welsh Hick. The epitome of jeefe-ness. The Town Goof could be described as a Jeefe McGibbons.
"You got that one wrong? You silly jeefe, you!!"

"Boy! I really jeef'd that one!"

"Jeefe McGibbons is such a... (for lack of better term) jeefe!"
jeefe by Gillian & Aleksandra April 8, 2008
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n.: (JEE-f.) british slang for "fool"; a nincompoop, an idiot.

v.: (JEE-f'd)displaying prominent foolishness.

proper noun: Jeefe McGibbons; a Welsh Hick. The epitome of jeefe-ness. The Town Goof could be described as a Jeefe McGibbons.
"You got that one wrong? You silly jeefe, you!!"

"Boy! I really jeef'd that one!"

"Jeefe McGibbons is such a... (for lack of better term) jeefe!"
jeefe by Gillian & Aleksandra April 9, 2008
Related Words

Jefferson Wingy

The man, the myth, the Cleveland Metropolitan Area Legend. Major supporter of all things cannabis and proponent and supporter of Chief Wahoo.
Man, Jefferson Wingy knows everything there is to know about smoking trees and Bob Feller.
Jefferson Wingy by FartingBeer April 8, 2021

Jeffervescence 

"Jeffervescence" is the quality that someone named Jeff possesses when he is overflowing with enthusiasm, sparkling with charisma, beaming with light, exuding joy. The term was coined by Suzanne Whang (former host of HGTV's #1 show, "House Hunters") and was inspired by watching Jeff Vezain perform on stage with Gary Sinise's Lt. Dan Band.
As soon as he made his entrance on stage, grabbed the microphone and started singing, the audience was delighted and transfixed by his Jeffervescence.
Jeffervescence by SneezyDwarf August 4, 2016

jefferine 

An noun representing a respected human being found in urban to suburban environments known for spending more hours studying at home than the hours spend in school, hanging out, and sleeping combined. Typically, a jefferine would be dissatisfied with a 99% because he or she believes that the amount of time put into studying should correspond to a 100%.
A: Why does John always rush home right after school?
B: Haven't you heard? He's a jefferine; according to my arithmetic, 7 hours of school and 5 hours of sleeping amount to 12 hours, so he has to spend the remaining 12 hours studying.
jefferine by mrexotic September 5, 2012

Thomas Jefferson 

Basically a guy who had a lot of beef with Alexander Hamilton.
teacher: "Thomas Jefferson was a cocky son of a bitch"

me: "oh trust me, I know."

Thomas Jefferson High School

Home of 90 percent of Washington's Asian population
"Have you ever been to Asia?"
"No but I've been to Thomas Jefferson high school in WA if that counts."