Why Don't You People Use Me

I went out to see this cinematographer He told me I could be in his film if I looked the right part A heavier character about my height But this dude was supposed to have no heart So I went home & looked in the mirror the very next day Ate three cakes & a half-baked chicken all I had to my name But when I showed up to shoot the next day He told me I was too fat & too late