1. memory hole - Noun
2. memory hole - Verb
A figurative place to which lost or forgotten information is sent, usually deliberately; nowhere.
Synonyms: bit bucket, /dev/null
(computing) A fragment of physical address space which does not map to main memory.
(computing, rare) A memory leak.
memory-hole (plural memory-holes)
Alternative form of memory hole
memory-hole (third-person singular simple present memory-holes, present participle memory-holing, simple past and past participle memory-holed)
(transitive, idiomatic) To cause something or someone to be forgotten.
memory-hole
In the novel, the memory hole is a slot into which government officials deposit politically inconvenient documents and records to be destroyed." Rachel Maddow
This must not be allowed to go down the Memory Hole with the truth and the Big Baby's impeachment. Source: Internet