An acronym for the song “Wands and Potions”, a popular song in the Wizarding World. Many muggles mistake it for something appallingly blasphemous, but it really isn’t.
“Hey Draco, do you like WAP?”
“Yes, absolutely pOtTaH. Now get away from me; my father will hear about this!”
A slang term used against white supremacists, racists, etc.
Ugh look, it’s another glizzard on 78th street