1 definition by MaxPowerPhysicist

To fail despite certain success, usually with respect to seducing the opposite sex.
"I was going to totally get with this girl blud, but then i totes Jon'd it!"
"Mate that girl is so in to you, don't Jon it up"
Mark was going to have "enthusiastic cuddleling" with Sarah until he called her Cindy and Jon'd it up.
by MaxPowerPhysicist October 22, 2012
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