this one freshman was joking about sucking dick and i was like "dude i love sucking dick" and he just kept laughing like he thought i was playing along so i was like "no im being completely serious feed me dick i love dick i want to have sex with men" and he honestly just kept laughing he could not tell i was being serious even though i was saying straight to his face that i want to have sex with men and if thats not beautiful to you then i dont know what is
Maybe he wasn't expecting a serious response, and you telling him that PROBABLY made him feel awkward like he offended you. I'd be surprised if I found out someone was gay in the situation you put, without having the suspicion they were gay in the first place.
Making a joke out of things is a defensive mechanism.
He might have thought you were, which could have made him feel awkward, therefore, he laughed to make it seem like you were joking which would make him not feel awkward cause it was all a joke.