Your body lean, when the shotty ring
Like freedom and crack, you're like the Liberty Bell

from Slaughterhouse – On the House Lyrics on Rap Genius

Meaning

Its a play on the liberty bell which is famous for its roll in the Revolutionary War, a war for America’s freedom. When a bell rings it leans to the side. Likewise when you hear the ring from his shotgun your body will lean from the impact of the shell. The liberty bell, which bears the inscription “Proclaim LIBERTY throughout all the land unto all the inhabitants thereof.” is famous for the long crack it has.

Like the bell your body will crack, from the shotgun ring.

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