I'm the king of spazz, ripping beats in half
The backroom to the cypher, nigga you name it
For Funk Flex, to weight scale, nigga you name it

from Slaughterhouse – On the House Lyrics on Rap Genius

Meaning

He is saying he goes hard on beats from

http://www.youtube.com/watch?v=LGlvgPbAE7g

to

http://www.youtube.com/watch?v=XMG3vIiQusg

and from

http://www.youtube.com/watch?v=zwFIz-w1rAE

to weight scale which is another song on their mixtape over Nas' Nasty beat.

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