The recorded observation of eukaryotic cells having sex by a microscopist in a dark closet. This usually entails cells reproducing through meiosis, the prime driver of sexual life cycles. However, there are circumstances where parent cells do not divide and instead perform sex by fusing together, effectively becoming the child. This phenomenon is termed "fusion Eukrotica".

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