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A masturbation session that takes place before sex in order to extend the duration of the sex when it actually happens by not giving the sperm a reasonable amount of time to be produced. Usually this occurs when you are fairly sure that you will in fact have sex and often times the partner is unaware that a "tactical fap" has been carried out.
Knowing he will probably have sex with Amanda tonight, Dylan tactical fapped so that he would last longer.
by PatP1993 January 09, 2012
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