The evolution of the genre

Yo mama is so skinny

-Yo Mama's so skinny, she has to run around in the shower to get wet.
-Yo Mama's so skinny, when she takes a bath and lets the water out, her toes get caught in the drain.
-Yo Mama's so shinny, she had to stand in the same place twice to cast a shadow.
-Yo Mama's so skinny, I gave her a piece of popcorn and she went into a coma.
-Yo Mama's so skinny, if she had a yeast infection she'd be a Quarter Pounder with Cheese.
-Yo Mama's so skinny, you can save her from drowning by tossing her a Cheerio.
-Yo Mama's so skinny, I could blind-fold her with dental floss.
-Yo Mama's so skinny, her nipples touch.