The spell that Seamus Finnigan uses to try and turn his goblet of water into rum. Much like everything else that he tries to put spells on, the water explodes in his face.
Seamus: Eye of rabbit, harp string hum, turn this water into rum!
Harry: Ron, what's Seamus trying to do to that glass of water?
Ron: Turn it to rum. Actually managed a weak tea yesterday, before--
BOOM
Harry: Ron, what's Seamus trying to do to that glass of water?
Ron: Turn it to rum. Actually managed a weak tea yesterday, before--
BOOM
by luvcats222 January 6, 2016
Get the Eye of rabbit, harp string hum, turn this water into rum!mug. 
An individual who annoys everyone within a 10 mile radius of him and is unable to understand basic human communication skills
by qawsed69 October 22, 2020
Get the Hum da Pummug. by GrandmaSherry October 8, 2018
Get the Hummug. 
1. The action in which one person takes a popsicle and inserts it in another person's armpit and moves it in a circular motion.
2. A person whom hums when frustrated.
2. A person whom hums when frustrated.
by DogAteMyUsername March 21, 2010
Get the Humming Mavenmug. First individual: hum hum hu-
Second individual: hum hum hum
First individual: You are such a hum jacker!
Second individual: hum hum hum
First individual: You are such a hum jacker!
by Trent Naidu June 13, 2017
Get the hum jackermug.