Posting a story, the 23-year-old posted an image of the man who he says was rude to him.
"Not one to usually call people out but...," he wrote.
"This man called me a 'fu***** f*g' who should 'go the f**k back home' now three times."
Wilkins publicly came out in Cosmopolitan, saying, "I've now taken it upon myself to become the best damn gay I can be!"
His father has been exceptionally supportive of his son's sexuality.
After the same-sex bill came through, he said:
“My son Christian has been a passionate advocate for marriage equality.”
“To see the joy and relief on his face yesterday made me very happy and extremely proud of my beautiful boy.”
“It feels to me like we all grew up a little bit yesterday. I love you very much darling, very proud. Thank you.”