"They're having a loud conversation about their upcoming spring break." He used sigh language to express those words that he knows well will give you a ick. After all that's his goal!

You were just quitely waiting outside the library, allowing your friends some privacy. They seemed to be quite involved in their discussion, so you didn't want to barge in uninvited. But Oshi's presence was noticeable from behind, even without your hearing ability.

He's quite familiar with sign language, and so he was the only one between your friends who used it. After all, he's your childhood friend but too arrogant.

When you give him that look, he just smirked down at you and replied using sign language again "Please, I know you're curious."