'You are a joke' is a phrase used by someone who believes you to be inferior to them. To belittle, disrespect, embarrass, and humiliate you. To make you feel as though you are stupid, unimportant, or unwanted, etc. and make themselves feel supirior to you.

Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.

Something your friend tells you when they are jealous of your skills and they want to make you cry. This is a form of bullying and it must be stopped asap.