Spinster garden

Two young men were invited to go to a nudist colony by swedish twins. They didn't want to show up with their parts white as snow. They come up with a plan to go to a secluded part of a beach, bury themselves and then only have their nether regions exposed.

Two spinsters are walking down the beach,

"Look Mabel, when we were younger we couldn't get any of those and now they're growing wild"