Read the dictionary definition of bum. All definitions for this word.
1. the fleshy part of the human body that you sit on
1. he deserves a good kick in the butt
2. are you going to sit on your fanny and do nothing?
2. person who does no work
1. a lazy bum
3. a person who is deemed to be despicable or contemptible
1. only a rotter would do that
2. kill the rat
3. throw the bum out
4. you cowardly little pukes!
5. the British call a contemptible person a `git'
4. a vagrant
1. a homeless tramp
2. he tried to help the really down-and-out bums
5. ask for and get free; be a parasite
6. be lazy or idle
1. Her son is just bumming around all day
7. of very poor quality; flimsy