You aint just here by no accident, you aint here cause of yo momma and daddy.
你不在这里绝非偶然，你不在这里是因为你的妈妈和爸爸。
英语百科
Yo Momma
Yo Momma is an American television show based upon insulting one's mother. Creators, executive producers and hosts are Wilmer Valderrama, along with Sam Sarpong (Seasons 1 and 2), Jason Everhart and Destiny Lightsy. The show—which ran from 2006 to 2007, and as the title suggests—used "yo momma" jokes, and many episodes featured guest appearances from rappers.