Definition of bastards:
(n) :
(vulgar, offensive or derogatory, usually referring specifically to a man) A contemptible, inconsiderate, overly or arrogantly rude or spiteful person.
(n) :
(dated) A person who was born out of wedlock, and hence often considered an illegitimate descendant.
(n) :
A mongrel (biological cross between different breeds, groups or varieties).
(n) :
(endearing or humorous) A man, a fellow, a male friend.
(n) :
(often preceded by ‘poor’) A suffering person deemed deserving of compassion.
(n) :
(informal) A child who does not know its father.