Over the weekend, we learned that a kiss from Charlize Theron's is worth $140,000. The 34-year-old actress stunned guests at the OneXOne charity event in San Francisco last Thursday with a foul-mouthed outburst after bidding for her offering of a trip to South Africa to watch a game at the soccer World Cup in 2010 and a meet-and-greet with Nelson Mandela raised just $37,000, and vowed to smooch the lucky bidder if the price was raised.

Referring to an earlier offering from Jeremy Piven which saw two walk-on roles in his US drama ‘Entourage’ sold for a total of $275,000, she said:

“For f**ks sake! You can do better. There is no way I am leaving here with Jeremy Piven getting a higher bid.”

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Charlize’s offering raised money for the Charlize Theron African Outreach Project, which is teaming with the OneXOne Foundation to bring soccer pitches and clean water to the children of South Africa by 2010. Other celebrities at the event included Josh Groban, Carlos Santana and David Arquette.