1. He is eating too much. What will happen to him?

Question

2. He will vomit everything he ate.
3. He will throw up what he ate.
4. He will go to the bathroom to take a dump.
5. He will go to the bathroom to take a !@#$%^&.
6. He will go to the bathroom to empty(move) bowels.
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Can we use all the expressions? Do you have more graceful terms?

Answer 1

1, 2, and 3 are OK.

Delete 4 and 5. They are both examples of unacceptable language.

6 is OK, but "to defecate" is more accurate.