Noun: a line of naked women on all fours lined up with thier vaginas facing the same direction and lips spread to be fucked by a line of men or women with stepsons
I wouldn’t touch Clarissa if I were you. She took part in a taco trail at that swingers party at Jim’s last week
A line of women on all fours, side by side, with vaginal lips spread, who comprise the "stops" and a line of guys, girls in strap-ons, or both, who follow the "trail" by having vaginal intercourse at each stop for a set amount of time or orgasms.
Dude, I took part in a taco trail at a sorority party, and Susie and Becky were two of the stops on the trail!