Blasting Curse

Confringo a.k.a. Blasting Curse

Pronunciation
con-FRIN-goh (hard "g") or con-FRIN-joh (IPA: /kʌn.ˈfɹɪŋ.gəʊ/ or /kʌn.ˈfɹɪn.dʒəʊ/)

Description
Causes anything that the spell comes into contact with to explode.

Seen/Mentioned
Used by Harry to destroy the side-car of the flying motorbike during the battle against the Death Eaters in the beginning of Harry Potter and the Deathly Hallows. Later, Hermione uses it in an attempt to kill Nagini and facilitate an escape from Bathilda Bagshot's house in Godric's Hollow.

Etymology
Confringo is Latin for "I break".