When a guy flirts with a girl, and she responds by vamping it up and seducing his gay homey.
I was hitting on this smoking hot Russian chick named Natasha. She wasn't interested in me, but my involuntary fluffitude inspired her, so she proceeded to seduce my gay friend named Biff. They are madly in love, and just got engaged!
When your dog or cat decides to entirely cover your clothing in fur before you wear it. Most noticable with black clothes, but happens nevertheless. Lint rollers are merely a temporary solution