was making fun of, was teasing, didn't care about
Je me moquais souvent de lui à cause de ça.
I used to make fun of him for that a lot.
— La Haine (1995)
Tu te moquais d'elle juste parce qu'elle était sourde, non ?
You were making fun of her just because she was deaf, weren't you?
— Silent Voice (2016)
Je n'ai jamais su pourquoi elle était revenue mais je m'en moquais.
I never knew why she had come back, but I didn’t care.
— Forrest Gump (1994)