A feeling of exhaustion after a night of several orgasms. the releasing of your semen cause the emptiness inside of you. Renewal of your "army" takes time, therefore its as if your semen give you the energy to carry-out daily routines.

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