YOU SAID:

I am the master at pooping on peoples heads

INTO JAPANESE

私は人の頭にうんこをする達人です

BACK INTO ENGLISH

I'm an expert at pooping on people's heads

INTO JAPANESE

私は人の頭にうんこをするのが専門です

BACK INTO ENGLISH

I specialize in pooping on people's heads

INTO JAPANESE

私は人の頭にうんこをするのが専門です

BACK INTO ENGLISH

I specialize in pooping on people's heads