Any action involving the rough handling of genetalia, or sloppy, unattached and/or shameful sex.
May also involve the hilarious, abeit painful, abrasion to one's "downstairs mix-up".
"During naked hot yoga, I got a rash because downward dog really scooted the meat"
"I grew tired of dating that twink so I ended it, but we've scooted the meat a few times, and now we're just roommates"
"The wormy dog scooted the meat across my fine Persian rug"