Euro keying (Euro King), European (you're a peon), in my habitat.

from Lloyd Banks – We Fuckin Lyrics on Rap Genius

Meaning

Nice play on words by Banks. He simultaneously says Euro Keying while deeming himself the “Euro King” and then immediately says you’re European in his habitat. The play on European is “you’re a peon in my habitat”. A peon is a laborer or a worker of low class in older Spanish Societies in Europe.

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