Top definition
A prolonged, mutually beneficial arrangement between two or more men wherein each exchanges favors with the other(s).
Bro 1: Hey man, I was hanging with that fugly bitch last night just so you could bang her hot friend. How 'bout some symbibrosis?

Bro 2: Sure man, I got your back next time we go out.
by FarmAnimal March 06, 2009
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Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
It's nice out and the city is filthy. Let's go plogging!
by Another damn hippie. May 09, 2018
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