main stash

main stash

1. slang The primary source or store of something, especially drugs or money, which is hidden or secreted away. I came back to the house to find that someone had stolen my main stash of pills. Make sure you keep the main stash safe, or the boss will send you to the bottom of the river with a pair of concrete shoes.
2. slang The house, apartment, or other location at which such a secret store is hidden. Police feel confident they've located the gang's main stash, and they're planning a raid of the apartment tomorrow morning.
See also: main, stash
Farlex Dictionary of Idioms.

main stash

n. the home of a drug user described in terms of where one’s major store of drugs is kept. (see also stash.) My main stash is on Maple, but I’m usually not there.
See also: main, stash
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • stash
  • be like looking for a needle in a haystack
  • be like trying to find a needle in a haystack
  • haystack
  • like looking for a needle in a haystack
  • like looking for/trying to find a needle in a haystack
  • searching
  • go underground
  • underground
  • smuggle through
References in periodicals archive
That way you won't be contaminating your main stash or running to wash your hands every other minute.
By the second morning, the path was buried under half a metre of snow, and it took several days to return to my main stash of gear using a handheld Garmin GPS, before continuing down the valley to my kayak, which was stored in a farmer's shed some 100 kilometres along the course of the Murray.
The main stash of papers was discovered at a house in the Republican New Lodge Road in north Belfast.
The main Stash run is aimed at intermediate and advanced riders.