Common phrase used by non-english speaking foreign men in hopes of pressuring women to show breast curves, braziers, cleavage, areola(s) and nipples.

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

Turkish idiom instead of "show boobies" on internet..