Noun, alternate definition. A word often applied to the elusive love of a person's life; the one who got away - soulmate is what a love-er calls the love-ee when the love-er is still in enough limerence to overlook the fact that the love-ee is really is an asshole/bitch. Blindly overlooking fatal flaws in a person, romanticism at an exponential level. Also used when clinging to the belief that because two people share some odd/romantic common factor they are forever linked. Used when denying fatal flaws.
"After he put an FM converter on my stock AM car radio, I knew he was my soulmate that night back in '82 we were both doing whippets at the same time. We were listening to the radio at DeWeese Parkway and 'Like A Hurricane' came on. It was so intense and beautiful that we were blown away. Then he had to go home to his wife."