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.

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy

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.

The term "pinup" was coined during World War II when American soldiers would pin pictures, usually drawings and sometimes photos, of beautiful women to thier bunks or in thier aircraft. Today, the term "pinup girl" refers to models for publications like Playboy and Maxim. However, there is an underground culture of retro-inspired pinup girls that still dress and model like the original pinup pictures. Pinup models, past and present, are all major sex symbols like Betty Grable and Marilyn Monroe, and famous pinup artists include Vargas and Elvgren.

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.

What your granddaddy used to masturbate to.

when you get a boner and hide it by pinning it up in your boxers, very useful