Refers to the assordid underhanded "skeleton in the closet" shenanigans that are only just now being revealed about the biggest (and biggest hypocrite) family in the USA.
That two-faced 21-member family on TV sure has some skullduggary in their past!
by QuacksO July 20, 2016
The epitomy of Tom-Foolery
All that talk of Jews being cool is just a buch of Skull Duggary
by Benjamin August 06, 2003