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2.
-Prov: Don't be a trouble maker ,let the fuck alone it's gunna beget trouble.
-To not talk about things which have caused problems in the past, or to not try to change a situation because you might cause problems.
Jill: Should I ask the boss if he's upset at my coming in late in the mornings?
Jane: If he hasn't said anything about it, just let sleeping dogs lie. I thought I would ask Jill if she wanted me to pay her back right away, but then I decided to let sleeping dogs lie.
by aCh79 August 03, 2011

Words related to let sleeping dogs lie

argument dead herring misleading old wounds red herring
 
1.
it means "don't bring up an old subject or trouble."
1: What about that time when I shagged his girl?
2: Dude, let those sleeping dogs lie.
1: Oops, gotcha.
by International Bad Boy November 20, 2004