An antiquated term for sexually exciting (though often not explicit) material, such as a smiling attractive caucasian women looking back and slightly bent over, or lying back with an arched back.
The acme of the era of pin ups was the American GI during World War II.
by Adam Koski January 10, 2005
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when you get a boner and hide it by pinning it up in your boxers, very useful
I use a pin up whenever I get hard in church.
by sisti9 October 29, 2003
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A model whose mass-produced pictures see wide appeal as pop culture. Pin-ups are intended for informal display. Pin-up girls are often glamour models, fashion models, and actresses.

These days men can be considered “pin ups” as well.

Modern pin-ups tend to dress in vintage clothing inspired by the pin-ups of the 20s, 30s, 40s, 50s, etc.

Lauren Bacall, Betty Grable, Bettie Page were all pin-ups.
by stephanie dynamite May 31, 2007
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A name for a good looking person, can be male or female. But to be a pin-up you have to be a pretty boy/girl. Used in Farnborough, England alot.
by Ak Pin-up July 10, 2006
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To get intoxicated, mainly used by people habitating the outskirts of the cities.
TPizzzzy: What r ya doin tonight there bud?
Jeremy: Goin' down to sparks st to get all pinned up, then head to Barbies.
by tpizzzzy January 16, 2014
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Old fashioned words for sexy lady, sassy and sensual girl
The better example is Bettie Page. THE pin up girl for excellence.
by Jonee W December 22, 2008
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A male celebrity who is very handsome and hot. Mostly in teen magazines, such as the Bop Magazine.
I am starting a pin up male collection. I think I'll start with that Keanu Reeves poster.
by CherrySlushieBabe September 15, 2015
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