The loss of horniness that comes after fapping. This normally results in complete disinterest and/or disgust towards the materials used to fap with (ie. porn).
PersonA) Damn, I came so hard last night, but after that I was sickened that I had fapped to granny porn! Why is that?

PersonB) Congratulations! You just experienced faptermath.
by Pey November 26, 2008
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The mess and destruction left behind after a fap
I'll need a whole can of Lysol after this faptermath
by Thebiggestbear March 30, 2019
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