goose pasture 

On the ranch, when you don't want the bull in with the cows, you put the bull the field with the geese. "Goose pasture" is that place where the male has no opportunity with sexual relations with the opposite sex. The phrase is aptly applied to the the situation a young husband finds himself in during the last trimester of his wife's pregnancy.

Ryan's wife is really big and pregnant now. I bet he's in goose pasture.

goose pasture by Ron Erickson July 20, 2007