A type of a tan line where usually old people that have a tan line that is tan only on the limbs but pale on the chest and stomach. Grandpa tan is similar to a farmers tan.
Why do you have a grandpa tan, gramps?”
by HowYaFeel June 9, 2019
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A tan that has an orangish tint and on an older male or female with wrinkles.
Yo you vegan nerd u have a grandpa tan LOL
by HowYaFeel June 9, 2019
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