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"Plan M" (where M = "Masturbation").
A backup plan involving frequent doses of self-administered masturbation if one should fail to find a sex partner.
Person 1: So what's plan B if she's not attracted to you?

Person 2: Well if that's the eventuality, then I'm going to resort to "plan M". Long nights on the couch with my #1 handy man.
by daddyDDollazDeluxx December 26, 2013