Definitions by Turtlefeatures

Pack of whales 

A group of sexually generous females with whom one is likely to be able to enjoy sexy times.

"Oi oi, look sharp lads."
"Who even says that?"
"Never mind about that, Jeremy, we appear to have stumbled across a pack of whales!"
"Oh good! No doubt they'll have sex with us."

Pack of whales by Turtlefeatures May 14, 2013