Reference to 1986 children's story (third grade reading level).
Often used when referring to something or someone that is bland or plain.
"Hey, I really like your place"
"Really? I thought it was very Sarah, plain and tall"

Or

"Hey check out that chick, do you think she is hot?"
"Nah, she is so Sara, plain and tall"
by Cuatemoc December 22, 2011
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