cows in the cage
1: a group of less attractive female acquaintances and/or co-workers who are invited on a vacation for the sole purpose of being backup for the guys if they fail to pick up at the bars or clubs
"Damn, that girl was on you all night, and she just up and left. no number. no nothing."
"No worries, we got them cows in the cage from Accounting waiting in the room down the hall"
"No worries, we got them cows in the cage from Accounting waiting in the room down the hall"