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: According to Georgetown University , using "67" helps kids build relationships and social worlds by signaling awareness of the latest inside jokes, even if the communication isn't transactional.

: It was early on associated with NBA player LaMelo Ball, who is 6'7" tall, and popularized further by Overtime Elite player Taylen "TK" Kinney. 67.jpg

: In early 2025, a young boy named Maverick Trevillian went viral for shouting "six seven" and performing a distinct hand gesture (moving palms up and down) at a basketball game. : According to Georgetown University , using "67"

: The phrase likely originated from the song "Doot Doot (6 7)" by the American rapper Skrilla. : According to Georgetown University