Grooving

[Rihanna]

The act of forming a groove or grooves; a groove, or
collection of grooves.

[Rihanna]

Grooving or to Groove was an [early Black] expression for good sex or having sex.
Grooving or Groovy is now used to express a good feeling.
Lot of these expressions such as Rocking, Rolling, Rocking and Rolling, Digging, [Beating it], and [Creaming] are just a few sexual expressions used by early jazz musicians to compliment a fellow musician.