It sounds like you're referencing a very specific, emotional, or fandom-related moment — possibly involving the characters Bakugo (from My Hero Academia) and an "ane" (Japanese for older sister) or a younger brother dynamic, combined with "I'm going to squee full" (meaning intense excitement or cute aggression).
The phrase appears to be a truncated emotional expression from a fan (likely on social media, fan forum, or comment section). Breakdown: baku ane 2 younger brother im going to squee full
"Okay," she said, climbing onto the bed. "I’ll tell you a story about a big sister who turned into a squeeze monster." It sounds like you're referencing a very specific,
While the phrase "baku ane 2 younger brother im going to squee full" might look like a chaotic string of keywords, fans of niche Japanese media—specifically the "Ane" (older sister) subgenre—know exactly what it refers to. Breakdown: "Okay," she said, climbing onto the bed
"I'm not tired, Ane!" Kaito whispered, his dark hair sticking up like a hedgehog.