Crank That (Soulja Boy) Lyrics

Lyric discussion by teenqueen22 

Cover art for Crank That (Soulja Boy) lyrics by Soulja Boy

Why can't he pronounce "ch" or "s"? Why does "watch me crank it, watch me roll" and "soulja boy off in this hoe" come off as "wa me crank a wa me roe" and "soul boahh uhh in hee hoe"?