Macklin's Law is the widely held belief that the pinnacle of sexual activity is not in fact intercourse, but fingering.
He didn't get Macklin's Law last night, he only shagged her.

They were following Macklin's Law in the middle of the dancefloor.
by floppy blowjobs February 11, 2010
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He went home with a girl last night and followed macklin's law.

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She wouldn't let him have macklin's law, he just got a shag.
by disciple of the macklin February 10, 2010
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