Just Dump it In Authors general, or just on your profile page. Is what I do.
Scribble Hub Forum
Generic.Archdemon
SailusGebel
Make a thread, or drop it here.
SailusGebel
@Generic.Archdemon Dammit! I was too slow.
Sylver
@Generic.Archdemon I might just post it here then 
though it would get more views on Author General, but damn it I'm tired of getting views but no comments so I'll post it here instead!
At least here, people comment back
though it would get more views on Author General, but damn it I'm tired of getting views but no comments so I'll post it here instead!At least here, people comment back
RiaCorvidiva
Discord servers / convos? That's where I usually end up discussing craft / story ideas.
HelloHound
tackle someone and tell them your plot before running back into the woods; if they set a trap and catch you then you're now friends