Webster's Revised Unabridged Dictionary · 1913

Hugger-mugger

Hugger-mugger , noun

[Scot. huggrie-muggrie; Prov. English hugger to lie in ambush, mug mist, muggard sullen.]

1.
Privacy; secrecy. Commonly in the phrase in hugger-mugger, with haste and secrecy. [Archaic]
Many things have been done in hugger-mugger. — Fuller
2.
Confusion; disorder.

Hugger-mugger , adjective

1.
Secret; clandestine; sly.
2.
Confused; disorderly; slovenly; mean; as, hugger-mugger doings.