Relationshipocalypse
When a person you once were close with gets a girlfriend/boyfriend and suddenly drops off the face of the Earth.
Random dude 1 - "Man, Derek and I used to hang out everyday, then he met that chick. I haven't seen him in weeks!"
Random dude 2- "Yeah, that's a definite relationshipocalypse."
Random dude 2- "Yeah, that's a definite relationshipocalypse."