A party that on first glance appears to be full of eligible women, when in fact all the women are either lesbians or taken.
Man 1: "Yo I saw your photos - her birthday party looked awesome! You must have gotten laid."
Man 2: "Naw, Man-One, it was a function only your mother would love. It was a Secret Sausage Party. The only straight girl there was Tracy and her douchebag boyfriend had her in a headlock."