YOU SAID:

I think I pooped myself.

INTO JAPANESE

私は自分自身を突っ込んだと思う。

BACK INTO ENGLISH

I think that I thrust myself.

INTO JAPANESE

私は自分自身を突き刺すと思う。

BACK INTO ENGLISH

I think I will pierce myself.

INTO JAPANESE

私は自分自身を穿孔すると思う。

BACK INTO ENGLISH

I think I will puncture myself.

INTO JAPANESE

私は自分自身を穿孔すると思う。

BACK INTO ENGLISH

I think I will puncture myself.