when an ignorant spoiled child cries because they didn't get what they wanted.

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

The sound you make when someone takes candy from your poor, infantile, babyish ugly face.