Hagrid: "Giant's blood"
Voldemort: "Horcruxes"
Harry: "My mom, like, really loves me"
“No, Muggle tech doesn’t work around here but my patronus is a very fast koala bear”
Hagrid: "I illegally bred a new animal"
Harry: "Did you see the Dark Mark-"
Hagrid "I CALL EM BLAST-ENDED SKREWTS"
Also Harry: I guess I’ll just swallow this “gillyweed” given to me by an elf that nearly killed me several times
Crabbe in book 7: I WILL MURDER YOU WITH FIRE