Harley Quinn: Never call a woman a "chick." I'll accept "broad", "lady", "woman" and on occasion "bitch."
Harley Quinn: I am so fucking over clowns.
Black Mask: WOOO! Who's having a good time?
Harley Quinn: Do you know what a harlequin is? A harlequin's role is to serve. It's nothing without a master. No one gives two shits who we are, beyond that.
Harley Quinn: I'm the one they should be scared of! Not you, not Mr J! Because I'm Harley Freaking Quinn.
Answer: She collapses after her single usage, so it is something she can use only sparingly - in this movie at least.
Sammo ★