When you hook up with a girl that a close friend has recently hooked up with. Similar to trickle down economics, where the more experienced friend starts with the girl then she eventually trickles down to you.
Oh, you got with Samantha, so did I. Why do youalways have to trickle me?
Generally used in MOBA and team-based arena games, "trickle in" is a term used to describe someone who, after losing all or the majority of their team, continues to charge in solo in an attempt to take on the enemy team, instead of waiting for reinforcements. A "kamikaze" play.
Newbie: What am I doing wrong? I keep dying...
Pro: Never, EVER, trickle in! It's suicidal and you'll just get destroyed! Wait for your team!
After cheating in a relationship, the cheater has 2 options to move on. Guilt with either lead them to telling the full story, risk the consequences and begin the process of rebuilding trust with their partner, or they can tell the trickle truth and only give out the minor details, hiding the full story.
Tyler: Natalie told me she made out with another guy 3 months ago, right after we started dating.
Rob: She waited 3 months to tell you? It's probably trickle truth, and she did a lot more than that, but said just enough to remove her own guilt.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.