(noun)from the symbol meaning "Prescription" this seeks to label someone very annoying that can only be taken in small doses at set periods of time.
Boy : Let's invite Tucker he is awesome.
Girl: Oh god no, he is such an RX, besides we saw him yesturday.
Synonym for "fag hag".
More modern and fun term for HOTT girls who aren't "hags" but hang out with fags.
Girl 1: You are turning into the biggest fag hag ever!
Girl 2: Ew, I'm too hot to be a fag hag, I'm a flame dame.