That's why you ain't got no neck. Can't use nothin' but Head and Shoulders. Fat boy.
8 seconds sound clip from the The Players Club (1998) movie soundboard.
You can hear this line at 00:34:06 in the DVD version of the movie.
Quote context
[...]
- And you? Have anybody ever told you you look like the father from Good Times?
- Take this with you, short man. One to grow on.
- Tell your mama to quit paging me.
- That's why you ain't got no neck. Can't use nothin' but Head and Shoulders. Fat boy.
- Yeah, she's a cowgirl, but she likes hanging with the cowboys.
[...]