What is "twosomes"

Usage examples of "twosomes".

He's using storerooms and machine pods for his twosomes and threesomes.

We've been a solid foursome ever since we Millers moved to Spindrift, and we don't want that to change, but we want to be solid twosomes, too.

A few small clusters, mostly twosomes and foursomes, were thinly dispersed across the immense woody amphitheater, but the majority had drawn instinctively into a loose concentration along the part of the wall that held the bar.