* wo yao: This means "I want" in Mandarin.
* dzai de: This is an incomplete phrase in Mandarin, it might mean "in" or "at" depending on context.
* geegee: This is the Mandarin word for "older sister," but it seems to be used as a slang term for "girl" in this context.
* ni: This is the Mandarin word for "you."
* da naynay: This is a mispronunciation of the English phrase "do naughty."
Putting it all together, the phrase could be interpreted as something like: "I want to do naughty things with the girl." However, this is a highly inappropriate and potentially offensive interpretation.
It's important to remember that language is complex and context matters. Without more information about the speaker's intentions and the context of the conversation, it's impossible to say definitively what the phrase means.
If you encountered this phrase in a real-world situation, it's best to avoid using it and seek clarification from the speaker.