Define Trail Run Meaning

Trail Run
the sexual act of pulling out your penis before climax and blowing your load in a way that creates a trail of semen from the anus to the vagina. After creating the trail you then proceed to run that trail with the head of your penis until you or your partner is rubbed raw.

I can't wait to trail run all over my bitch tonight.
By Bendite
Urban Trail Running
the act of running home along various back roads and alleys.

"i did some urban trail running on the way home last night, you should try it some time."
By Annis