YOU SAID:
My mom walked in on me jacking off, she asked if she could finish me off
INTO JAPANESE
私のお母さんは私の上を歩いて離れて、彼女は彼女が私を終わらせることができるかどうか尋ねた
BACK INTO ENGLISH
My mother walked away on me and she asked if she could finish me
INTO JAPANESE
私の母は私の上を歩き、彼女は彼女が私を終わらせることができるかどうか尋ねた
BACK INTO ENGLISH
My mother walked over me and she asked if she could end me
INTO JAPANESE
私の母は私の上を歩き、彼女は彼女が私を終わらせることができるかどうか尋ねた
it is unlikely that this phrase will ever reach equilibrium