A man who has a vagina that is reffered to when a guy is acting gay. You can also call a man a Saki Mangina implying that he infact has a vagina.
"You lust for men, you're like Saky Mangina."
"Dude, you just slapped my ass you Saky Mangina."
"Yo, Saky Mangina, I heard you love to swallow."
"Stupid ass, I told you before, stop spanking the monkey in mens locker rooms and telling the guys changing to stroke it, you're like fuckin' Saky Mangina."