When a girl likes you and gets nervous around you so she has no other reaction
Katie: Oh look it’s John, quick what do I do
Friend: idk shoot your shot
Katie: quack
John: wtf
Verb; An action in which someone curses
Adjective; Fake, (a fake friend), Gold digger, black widow,
Verb - Braydon was quacking lat night on Dylans "Christian" Minecraft server. He kicked him AND me! All because I was the one that invited him!
Adjective - Hey, don't be upset. She was a quack! She doesn't deserve you.
refers to the act of "ducking" or purposely ignoring people's phone calls because you don't want to hang out with them.
"Ryan's been such a quack lately since he started dating Emily"
British Slang for the doctors.
Right I'm off the the Quacks for an appointment.