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1 definition by Psionic79

A phenomenon usually experienced by (female) virgins after their very first sexual encounter and the fact that may want a relationship whereas the guy may look at it from a purely one night stand point of view
John: Did you hook up with her?

Jack: Yea, but she kept talking about wanting a relationship afterward, it was like she had FCS (First Cock Syndrome)
by Psionic79 October 05, 2008