hugger-mugger, also huggermugger \HUGG-ur-MUGG-ur\, adjective:
1. Secret; clandestine; sly.
2. Confused; disorderly; slovenly; mean; as, hugger-mugger doings.
I followed him to that hugger-mugger cabin he had hidden in the oaks on the other side of the swale and nipped behind the trees.
--Roy Parvin, The Loneliest Road in America