Definition - A Sandwich Punch is the act of punching someone across the face, whilst having a sandwich in your hand, over your knuckles or between your fingers. After successfully punched someone across the face with a sandwich (The more sandwich left on their face, the better) you then throw the sandwich directly at their torso, leaving even more sandwich residue on their clothing.

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