The act of sneakily watching someone else's screen, typically without their knowledge. This can include peeping at a phone, tablet, or computer screen to see what they're watching or reading. Often done out of curiosity or boredom, especially when one's own device is unavailable or uninteresting.
Example 1: My phone died on the subway so I was eaveswatching TikToks from someone's phone who forgot headphones.
Example 2: I was watching Friends on my phone and heard my girlfriend laughing along, which means she is as Eaveswatching when you texted me.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi