when something is really quite bad, but instead of just saying shit you say shit heap.

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

A very poor and run down place or thing
Used often as an insult to peoples items.

A basic play with the word shithead, a shitheap is a complete arsehole, a person who lacks in social ability and basically is a shithead.

See also: shithead