1 definition by Trident Spliffmonster

Top Definition
Where you, or your friend, betray your friendship with others of the same gender to go and flirt with other people of the opposite sex (and commonly fail to pull).
"Oh look at Mobbsy, he is doing another Jono!" or "Doing a Jono again, Mobbsy?"
by Trident Spliffmonster October 09, 2006
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