bum
noun.
a person who is deemed to be despicable or contemptible
only a rotter would do that|kill the rat|throw the bum out|you cowardly little pukes!|the British call a contemptible person a `git'
noun.
a vagrant
a homeless tramp|he tried to help the really down-and-out bums
Synonym: hobo, tramp
noun.
person who does no work
a lazy bum
noun.
the fleshy part of the human body that you sit on
he deserves a good kick in the butt|are you going to sit on your fanny and do nothing?
verb.
ask for and get free; be a parasite
Synonym: sponge, mooch, grub, cadge
verb.
be lazy or idle
Her son is just bumming around all day
adj.
of very poor quality; flimsy