I would put it down but I can't due to the glue
That I use the fuse everything together
Well I spilt some on my hands
And God Damn I might have to carry this forever

from Lupe Fiasco – Mean & Vicious Lyrics on Rap Genius

Meaning

A reference to the earlier line mentioning glue. Lupe has glued the barrel to his hands, and may have to carry it forever (a metaphor for rapping on this track forever)

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