This word is very exquisite and authentic, as it means that you would desire to insert your genitalia into a woman's vagina. This is a very patriarchal word, as a woman cannon sodomise another woman with no utensils otherwise known as a 'dildo'.
"Oi, Sarah, can I ching ching cha ching ching ching you down"
"Of Course!"
The sound that a cash register makes when its drawer is closed after money has been put inside. Used in conversation to indicate that the person being spoken about is going to or already has made quite a profit at little expense.
Steve: Yeah, so I was able to sell the FIFA for $50! Cha-ching!
Fentruck: Good deal. How much do you think I could get for one?