YOU SAID:
My dog has a weird thing where he licks my foot then throws up.
INTO JAPANESE
私の犬は私の足をなめて吐く変なものを持っています。
BACK INTO ENGLISH
My dog has a strange thing that lick my leg and vomit.
INTO JAPANESE
私の犬は私の足をなめて嘔吐する奇妙なものを持っています。
BACK INTO ENGLISH
My dog has a strange thing that lick my leg and vomit.
That didn't even make that much sense in English.