by Conan O'Barbarian July 29, 2010
Identical or non identical birth twins that have severed their his or her family relationship for one reason or another.
Connie unjustly accused her twin brother brother Ronnie of some nonsense that caused him now to refer to her as his twinster.
Identical birth twins or non-identical that have severed their family relationship for whatever reason or reasons.
Because Ronnie and Connie twins had a very serious falling out, he now refers to her as his twinster.