Levee is the proper term for a grouping of lesbians. As in a "herd of cattle" or a "gaggle of geese".
A synonym for levee is dike/dyke, hence the connection.
We thought we were gonna roll over that other team in our beer league softball game, but they were fully stacked with a levee of lesbians who played D1 college ball.
The act of going out to a party or bar/club with the main goal of checking out the men there.
Similar to being on the prowl or shopping at the meat market.
"Where'd Kris and Pat go?"
"Oh, they're at that beach bonfire tonight, sniffing the woodpile."