"Ugh. Men are such pigs."
"Sam keeps on telling me how beautiful I am, and how much he'd love to spend more time with me. I think he really likes me."
"Oh please. All men are pigs. He just wants to get in your pants."
They plan out their marks meticulously and the end result is only to get bro fives from their mates. So the whole experience with a man pig isn't that he had sex, it's that he can brag about it.
The Men are pigs crowd will say and do anything for higher status with their male pack.