Usually known as children born before the parents are married; Sometimes used to name the many sperm cells after a good fuck; The people that kill Kenny, which includes his friends, death, god (please remember this is South Park), and even himself; anyone who acts far beyond the range of a regular jackass, asshole, or overall ass who gets on your nerves alot, and I do mean ALOT.
-Those Bastards in online games keep stealing all my stuff.
-GET THOSE BASTARDS
-Damn, The bed is covered in bastards.