Abbreviation for: you only live once, might as well make it tasty

A phrase used as a means to rationalize an inhumanely high intake of unhealthy but delicious foods or beverages: cake, ice cream, any 'all-you-can-eat' restaurant meal, etc...

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