1. Usually, shenanigans.
a. mischief; prankishness: Halloween shenanigans.
b. deceit; trickery.
2. a mischievous or deceitful trick, practice, etc.
*from the movie Super Troopers
Mac: Hey Farva, what's the name of that restaurant you like with all the goofy shit on the wall and the mozzarella sticks?
Farva (from other room): You mean Shenanigans?
Mac: *hands O'Hagan the butt of his pistol*
a. A deceitful trick; an underhanded act.
b. Remarks intended to deceive; deceit. Often used in the plural.
a. A playful or mischievous act; a prank.
b. Mischief; prankishness. Often used in the plural.
Tom: I was at a funeral in Virginia all day man, im sorry i couldnt come over.
Jack: I call shenanigans, i saw you walking down the sidewalk yesterday.