Group swim
When two or more men go naked swimming under the midnight moon with their partners.
During their group swim, Jason watched the water drip from Ryan's back and loins as they frolicked in the water under the moonlight.
Like jaws on a group of swimming kindergartners
When you're all over something. Similar to 'Like white on rice' or 'Does the pope have a balcony'
Mike was doing a great work and nothing ever slipped. He's "Like jaws on a group of swimming kindergartners".
Group swim
When a group of men surround one extremly girl on the dance floor and each person dances with her.
Harold what did you do last night? Oh we had a crazy group swim on the dance floor at this dive bar when biggie came on. It was bananas!