Pronounced: GEE-OFF

The word "on Geoff" is used to swear on something or someone, once you use this swear you have officially joined the cult.

It is used to clarify that whatever you are saying is 100% true and the person receiving the information can fully trust what you are saying.

If you break a "on Geoff" swear you have ten days to redeem yourself by giving or receiving head (AKA blowjob) if you fail this then both of your parents will be executed and when you die you will go to hell and be raped by a overaged Bill Cosbey for 100 years and then thrown into a never ending pit.

If you go a whole lifetime without breaking a "on Geoff" swear you will be rewarded by the Geoff gods and be taken to a heavenly oasis where all of the girls look like Megan Fox and Kate Upton

WARNING: Breaking an "on Geoff" will result in bad luck for the rest of your family's future generations.
Ryan: "last night I was able to jerk off beside my dad without him noticing

Kyle: "Ryan there is no way that is true, ill believe you if you put it "on Geoff"

Ryan: "On Geoff it happened and it was exhilarating

Kyle: "Well I 100% believe you as you put it "on Geoff"
by The Geoff God December 16, 2020
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Etymological studies lead to believe this was a Celtic derivation in nowadays Holland. It translates roughly as either a state of grandiose magnificence or one who is God of everything and has a heart of oak.
Man, I feel so Geoff

This guy's a real Geoff
by Roger Moore Jr. October 07, 2005
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Geoff:

-best name ever!

-should be the name of choice that parents give their son if they wish him to be awesome!

-describes the the ultimate 'bro'!
Geoff is a handsome and available Renaissance man best known for his sense of humour, wit, and incredible ass. Geoff plays 83 different musical intruments, holds the world record for the most weight ever calf-pressed, has flown a fighter jet around the world blindfolded, ranks first in the world in both laser tag and good looks, and invented that chariot thing for cripple dogs. Geoff is legendary!
by Dean of UAC December 10, 2009
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the sweetest boy in the world! geoff is cute like a teddy bear, but he's better because he talks! he has a big heart and can always make you laugh and smile. geoff loves video games, pizza, and cute animals like doggies. geoff is the best!
Wow I love Geoff!

Geoff, please stop playing games so we can eat some pizza!

I hope I find someone as good as Geoff...
by jollyjelly April 27, 2009
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"to geoff it" : to hint at a perverted version of anything.
by romanov October 05, 2005
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Taking a really long crap at work to the point people ask if you left for the day.
Where did you go?
I was taking a Geoff..
Or

I'm going to Geoff it up!
by Dueses September 07, 2012
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Another way of spelling the name "Jeff"; not to be confused with Ge-off

Full Spelling: Geoffrey
Geoff Loves Kayla
Kayla Loves Geoff
by Kayla Rae October 14, 2005
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