I am American mentally with Japanese tendencies
Lu is from Chicago, but he is real into Japanese culture.
For example, Lupe Fiasco took karate (a Japanese form of martial arts) classes since the age of 3. He has several black belts, so he is also saying that you don’t want to mess with him because his Japanese tendencies (black-belt level karate) might respond.
I think the guy who threw the glowstick knows this by now
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