Mazola party

Etymology
The term came to prominence in North America in the 1970s following the sexual revolution of the 1960s.

Noun

 * 1)  A social gathering at which people slather themselves in cooking oil (such as Mazola) and participate in sexual activities.
 * 2)  Any type of orgy.
 * 3)  Any group event that involves slathering in oil, such as bikini-clad oil wrestling.