A variation of ho yay (homoeroticism, yay!). This particular
form refers to
romantic subtext between
canon enemies.
Scene from Skyfall -
Raoul Silva: (unbuttoning Bond's shirt to reveal scars) Oh, see what she's done to you...
James Bond: Well, she
never tied me to a chair.
Silva: (caressing Bond's
neck) Her loss.
Fangirl:
FOE YAY!!!!