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An exclamation that stands for absolutely nothing—but somehow means everything. Whether you’re hyped, confused, impressed, or just need a word to yell, TFO is there for you. It’s a vibe, a mood, and a state of mind all rolled into three mysterious letters. Origin: No one knows. It’s just TFO. Use it however you want. It’s not about what it stands for—it’s about how it makes you feel.
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