I'm at your throat like strep
I step, strapped with a pen

from Eminem – Almost Famous Lyrics on Rap Genius

Meaning

Eminem is at your throat like strep throat (the most common throat infection and a great reason to stay home from school, whack off 3 times, and watch The Price is Right)

He’ll step to you, “strapped” (equipped) with a pen (representing his rhyming ability) rather than a gun (My 14-year old self: “Deep..”)

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