After meeting girls with your friends, the less aggressive of the friends get the left over girls that nobody else wants.
We were at the club last night and my bro thought he was going to get with my girl. I put him in his place and told him, "oh no, now you know when your with me, you get the trickledown bro."
A way of referring to sexual intercourse with two (2) female partners, commonly called a threesome. Famously referenced in the CBS comedy "How I Met Your Mother". The first man in a group of male friends to pull off this feat wins the belt as a reward for his skill with women.
Steve: Dude, where were you last night?
Dan: These two girls were hot for me. We all went back to my place and I rode the tricycle with them. I guess I win the belt!
Steve: Dude, I saw those two chicks checking you out. Which one likes you more?
Dan: They're both into me. It's a tricycle!
Often paired with the other term "any hole's a goal", states how any male with functioning genitalia is worth going for. mostly used by women, but hey, its a free country
"girl, that guy has been eyeing you down for an hour now"
"he isn't even cute"
"girl, any dick does the trick".