literally, a 'Prostitue ON DemAnd'; one who performs sexual favors for money, timely and efficiently
True story:
Man- "So what do you do?"
Woman- "I'm a PONDA."
Man- "What's a PONDA?"
Woman- "You know...(dances provocatively) I need the extra cash, so I do what I do."
Man- "...(Hmmnn...)"
