Like is Jax sexually harassing Gangle supposed to be a joke? I've never felt more uncomfortable watching a movie in theaters than that scene. I talked to my therapist about it and even got into a mini argument with my girlfriend about it because she likes Jax a little too much for my comfort. (We're both trans women)
It could very well be a joke, whether that's from Jax or the narrative itself, and either way it's not funny.
I've seen a lot of people debate over the concept of what that specific scene meant in the context of Jax's way of thinking. They're calling it "intrusive thinking" as if Jax hasn't distinctly acted on all of these thoughts in small ways throughout the series. Jax is a sick individual, and Jax's treatment of Gangle especially is disturbing.
Jokes can tell you a lot about a person, because they're a medium of expression. Be safe.