A piece of something. Typically a small amount.

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

Tiny little shit bit pieces of junk and food that accumulate on ones floor or other high traffic areas of ones abode. Often reaching a peak notice-ability and inconvenience level after neglect to vacuum and or clean.