The state of being fully locked into your relationship, acting couple-brained, and centering your significant other in basically every decision or vibe. Someone in boo mode is texting back immediately, mentioning their person constantly, declining plans because they'd rather stay in, and radiating that 'I'm taken and happy about it' energy. It's not toxic — it's just deeply couplified. Friends tend to notice when someone goes boo mode because it often means fewer group hangs and a new softness in someone's whole personality.
Ever since they started dating he's been in full boo mode — turned down the Vegas trip and everything, said he'd rather just stay home with her.
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Viral internet speak — memes, ratios, main-character moments, and the algospeak of every platform from Twitter to Reddit to TikTok comment sections.
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