A person who cannot for the life of them clear crumbs off their bed. So they sit on it, and flatten the crumbs out and until the crumbs keep collecting. Eventually Stay away from this person at all costs.
Danngg, that girl Mareyeen is a Crum bum, all she do is sit on her bed flattening crumbs.
Extreme feelings - not necessarily negative or positive - towards the crust of bread. Mostly used when talking about Italian or whole wheat bread. Never used when speaking about rye. Never.
"Breadophiles commonly showsigns and/or evidence of having crumbumb."
Someone who you think is great and who thinks you're great too. Comes from the word bumming which does not always mean the act of Anal Love Making but liking a person a lot. E.g "You're ALWAYS bumming her!"
Chumbums are people you bum (in the context as above) and who bum you!!
Person 1:"Hey Chumbum"
Person 2:"Haha! Hey what you been up to?"
Person 1:"Nothing much!"
Person 2:"Wanna come over my house"
Person 1:"Sure"
Person 3:"You two stop bumming eachother!!"