YOU SAID:

Matthew is a dum dum doodoo head!!!

INTO JAPANESE

マシューはダメダメダメ頭だよ！

BACK INTO ENGLISH

Matthew is a no-no-no-no-no-brainer!

INTO JAPANESE

マシューはダメダメダメダメ！

BACK INTO ENGLISH

Matthew is no, no, no!

INTO JAPANESE

マシューは、違う、違う、違う！

BACK INTO ENGLISH

Matthew is no, no, no!