How do you say oh my god in twi?

There isn't a direct equivalent to "Oh my god" in Twi that captures the exact same meaning and sentiment. However, depending on the context and intensity of the expression, here are some options:

For surprise or amazement:

* O, Onyame! (Oh, God!) - This is the most direct translation, but it might be considered slightly formal or religious.

* O, Nyame! (Oh, God!) - This is a less formal version of the above.

* Agye! (Wow!) - This is a more general expression of surprise or amazement.

* Onyame! (God!) - This is a shorter and more informal version of "Onyame!"

For exasperation or frustration:

* Nyame! (God!) - This is often used as a standalone exclamation, similar to "Oh my god!" but expressing frustration or exasperation.

* Onyame, wo nea! (God, you are something!) - This phrase implies a mix of surprise and frustration.

For something that is very good or exciting:

* Nyame! (God!) - This can also be used for positive expressions of surprise or excitement.

* Nyame, wo ye! (God, you are good!) - This conveys a sense of gratitude and appreciation.

Remember that the appropriate expression will depend on the context and your relationship with the person you are speaking to. It's always a good idea to use a more formal phrase if you are unsure.