When you
introduce a friend from one group to a friend from another group, and they become
autonomous friends, no longing requiring your services to hang out. Not
necessarily a bad thing, but can be disastrous if left unchecked.
Dude 1: Dude, did you hear that Joe was
hanging with Jane now?
Dude 2:
Yeah dude. I introduced them a week ago and they
don't even call me to chill anymore. Serious cross-pollination.