A motorised bicycle able to be pedaled and is started in this manner. The word is derived from the sound the motorised bicycle makes; i.e.: brum, brum, brum.
Starvation due to the recent placement of braces on one’s teeth, often leading to death.
Victim: “I just got my braces today, it hurts like a butt cheek on a stick to eatanything!”
Bystander who doesn’t give a shit: “Sounds like you need to go on The Brummer Diet!”