It comes from the language of Jeremy. It is a person who carries a trolley and calls people's freindship groups "CRONIES"

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

comes from the famous words of jeremy. it is about a chick with a fucked up back and calls my friends "cronies"