Waddiwasi

Spell Name: Wad Launching Charm

Incantation: Waddiwasi

Pronunciation: /ˌwɑːdiˈwɑːsi/ WAH-dee-WAH-see

Spell Branch: Charms

Magical Discipline(s): Defensive; Jinxes

Appearance: No visible light, just the effect on the target object

Description: Appears to launch small objects through the air.

During the 1980s at Hogwarts School of Witchcraft and Wizardry, students would use this spell while duelling to shoot gum at their opponent causing some damage

Regulations: Legal

Skill Level: Beginner

Etymology: "Waddiwasi" comes from two words. "Vadd" and "vas-y". "Vadd" is a Swedish word that can mean "wadding" and "vas-y" is French term that means "go ahead" or "Come on!" Together, they can roughly mean "The wad goes ahead."

References:

• Used only once in the series, by Lupin in Prisoner of Azkaban to expel a wad of chewing gum from the key hole Peeves put it in, launching it up Peeves' left nostril.
• Gloria Gibbon also uses it against Peeves[1]

Notes:

• HP Wiki[2]