YOU SAID:

I drank my coffee too fast and now my brain is spiralling into oblivion.

INTO JAPANESE

コーヒーを飲みすぎて、脳がぼろぼろになってしまいました。

BACK INTO ENGLISH

I drank too much coffee and my brain was crumbling.

INTO JAPANESE

コーヒーを飲みすぎて脳が壊れてしまった。

BACK INTO ENGLISH

I drank too much coffee and my brain broke.

INTO JAPANESE

コーヒーを飲みすぎて脳が壊れた。

BACK INTO ENGLISH

I drank too much coffee and my brain broke.