YOU SAID:

I went to school and pooped my brains out

INTO JAPANESE

私は学校に行き、脳みそを出した

BACK INTO ENGLISH

I went to school and got my brains out

INTO JAPANESE

私は学校に行き、脳を取り出しました

BACK INTO ENGLISH

I went to school and I took out my brain.

INTO JAPANESE

私は学校に行き脳を取り出しました

BACK INTO ENGLISH

I went to school and I took out my brain.