To be eating and dropping crumbs on the ground as one travels.

See Hanseling or Greteling.
Stop crumbing all over my house you Hansel!
by Candycasa November 25, 2009
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(n.) A person who is a surplus of negative connotations. This person is lazy, stupid, ugly, worthless, and/or pathetic. Calling someone such a word tells them they are useless and need to get up and do something with their life.
1. Only a crumb would go to the beach which is an hour away, and then try to go tailgating back home later that day. A person with common sense would know that there is no way that you're going to have the time and energy to drive an hour to the beach, sit in the sun for a few hours while its drains you out, then drive an hour back and tailgate by 2pm. That is an example of a STUPID CRUMB.

2. David Francis Wesolowski sleeps 15 hours a day and when he is awake he does nothing but eat offensive amounts of food and get googies. He is an absolute crumb because of his laziness and worthlessness.
by Dale Hill May 15, 2007
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One of the worst things you can call someone. One step above a moth.
That bouncer at Chalk is the biggest crumb.
by Drew Christx December 6, 2005
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Tired, scattered, someone who has had a long night and is feeling raw.
I just like had a big night cos I’m like in a band or I'm a DJ and I woke up and I’m just crumbs, man. I can't move.
by Bonesofthewhitegoods May 11, 2011
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a term used to describe a human-being that has a total lack of morals and respect for girl/people and their property. Crumbs normally get wasted and engage in the following activities, opening people’s mail, taking advantage of women, stealing alcohol from Koren bars, spitting on people, puking on people’s property, exposure of male genitalia, and spitting on people. Mostly smoke Newports.

Synonyms: Man-whore; jerk; tool; jack-ass; loaf of bread; moldy bread, slice of bread, and/or crust.
Example: next morning after a crazy night: “Yo, last night I was sucha crumb, sucha crumb! Me and my buddy Kyle totally peed all over some guys bathroom, it was soo gross. Wanna see the video?”
by Mango1231 February 26, 2011
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