A masturbation partner. Frequently used in personal ads to solicit a partner for mutual manual stimulation ("JO" being standard message-board shorthand for "jack off").
by swedish_culture June 16, 2010
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I shorter term used to define the musical group "The Jonas Brothers"

Normally used as an affectionate term by fans of their music

Possibly coined from the 'Hanna Montana' eppisode when Hanna's father refers to the group as such
person A: "I love the jo-bros!"
person B: "OH I know! Which Bro is your fave?"
person A: "I love all the jo-bros!"
by ixmarisaxi May 25, 2008
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another name for a blow job. most people think a jo bro is a shorter name for a jonas brother, which is a common misconception. but in actuality, a jo bro is a blow job.
guy: hey you wanna give me a jo bro?
girl: a jo bro? isnt that a jonas brother?
guy: no its a blow job....
by testtubebabies May 4, 2009
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another name for a blow job. most people think a jo bro is a shorter name for a jonas brother, which is a common misconception. but in actuality, a jo bro is a blow job.
guy: hey you wanna give me a jo bro?
girl: a jo bro? isnt that a jonas brother?
guy: no its a blow job....
by testtubebabies May 4, 2009
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A crazed Jonas Brothers fan who worships and idolizes these dickless and talenteless overrated hacks. These people are known to have:

All of the Jonas Brothers' albums

Their walls plastered in posters and teen magazine pages of them

and tapes all their performances and music videos recorded off the disney channel.
All of the girls in my 8th. grade math class are Jo Bro Ho's.
by wildblues November 24, 2009
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Any girl who is obsessed completely with the Jonas Brothers, and pretty much every word uttered out of their mouth refers in some way, shape, or form the existance of the Jonas Brothers.
Girl: Like my shirt? I got it at the JONAS BROTHERS CONCERT!
(or)
Girl: I can't wait to get home so that I can listen to the JONAS BROTHERS!
(or)
Girl: I am going to marry Nick Jonas...we're simply perfect for each other.
(or)
Girl: OMG I HAVE THE JONAS BROTHER'S PHONE NUMBER!!! I AM GOING TO CALL THEM LATER TONIGHT SO I CAN GET THEIR VOICEMAIL AND HEAR THEIR BEAUTIFUL VOICES!
(and to all of these the guy would simply say)
Guy: Wow, get out of here, you Jo Bro Hoe!
by MrDavid March 8, 2008
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When a guy REALLY like the Jonas Brothers, usually in a creepy stalker-fan fashion.
A: "We need one more guy for COD, should we call Alex?"

B: "No, hes busy. He went to the Jonas Brothers concert tonight."

A: "Ah, hes gone a Jo Bro Homo!"
by WiseWordsFromLemons August 11, 2010
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