YOU SAID:

my dog just pooped on my grandma

INTO JAPANESE

私の犬はちょうど私のおばあちゃんにうんざりした

BACK INTO ENGLISH

My dog just got sick of my grandmother

INTO JAPANESE

私の犬は祖母にうんざりした

BACK INTO ENGLISH

My dog was fed up with my grandmother

INTO JAPANESE

私の犬は祖母にうんざりしていた

BACK INTO ENGLISH

My dog was fed up with my grandmother