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L7 is from America. It was first used in Sam The Shams "Wooly Bully". Here is an explanation:
"The warning, "Let's not be L-7's"", means "Let's not be squares", from the shape formed by the fingers making an L on one hand and a 7 on the other"
When I lived in Liverpool, I thought it was to do with the postcode area "L7" being not so cool.
L7 is from America. It was first used in Sam The Shams "Wooly Bully". Here is an explanation:
"The warning, "Let's not be L-7's"", means "Let's not be squares", from the shape formed by the fingers making an L on one hand and a 7 on the other"
When I lived in Liverpool, I thought it was to do with the postcode area "L7" being not so cool.