But this is like my weaker stuff
They ask is this his day-to-day cause this is like a week to us

from Lupe Fiasco – Say Something Lyrics on Rap Genius

Meaning

Even though this isn’t his best of the best lyrics, he has others wondering how he does it, when he’s not even going at full capacity.

Similar to Talib Kweli’s line,

Only using half of my mentals on instrumentals

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