When you stick your dick in between a hotdog bun and cover it with condiments.

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 fun new way to play with your wang. You take one ball in each of your hands, and wrap them over and around your dick making what looks like a hotdog. The balls are the bun and the wiener is the wiener.