You can't flow, must be the speech impediment
You got lost off the snare off Impeach the President

from Wu-Tang Clan – As High As Wu-Tang Get Lyrics on Rap Genius

Meaning

Impeach The President is a classic 1973 song by The Honey Drippers that has been sampled countless times. It is a really easy drum break to rap off of, it has a really simple rhythm. If you can’t rap to it, in all honesty, you shouldn’t be rapping at all.
http://www.youtube.com/watch?v=wqbEsS5kFb8

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