bum:
(plural: ‘bums‘; pronunciation: the letter ‘u’ rhymes with the letter ‘u’ in “but”)

a bum (a beggar)
a beggar who wanders (goes from place to place); a hobo;
a person who does his/her job badly or poorly, without quality or refinement;
a person who spends a lot of time watching games or amusing him/herself;
a lazy and useless person who depends on others for food and drinks; an idler,

a lazy bum
e.g.
John’s drinking habit has turned him into a bum.
My assistant is a silly bum; doesn’t know the difference between a copier and a fax machine.
This beach is famous for its regular beach bums.

(a baby sitting on its bum)
Note: ‘Bum’, in slang usage, is more commonly used to refer to the part of the body a person sits on — backside, bottom, buttocks.
To see how this word is found in our day to day life, please click here.
For an interesting article on ‘beach bum’, please click here.
For an interesting article on ‘beach bum’, please click here.
