An Acronym: (Case In Mother Fucking Point).
When a recent occurrence proves one's point and/or emphatically affirms the logic in one's argument. CIMFP is used most often in written conversation.
Person A: That woman is very promiscuous
Person B: No she's not!
(Aforementioned) Woman:I am willing to have sex with both of you (Person A and Person B) and anyone else right now!
Person A: CIMFP!!