Texting your friend a sentence-sized word when you're too lazy to respond, don't know what to say, you want to avoid the subject, and/or you don't care what they're talking about. Usually includes the word "ferf" at the middle or end of the word, but can be omitted once ferfing is normal between the friends.
Jack: Hey, what's up?
Jack: Hey, do you wanna go on a date with me?
a very fat melatian animal that eats a lot and sleeps most of the day but for some reason it is not nocturnal.
Chris the Ferf the crapping Smerf
Family Endorsed Rebound Fuck
The girls relationship had ended badly, so her family took her out to cheer her up. I was their waiter and after work, her family took me along for some drinks, and after a long night of drinking, I ended up being her FERF.
Family Enduced Rebound Fuck.
Mother: "Jane, you've been so sad ever since you and John broke up, why don't you go out with that waiter, he seems cute"
Jane: "What is this mom, a FERF?"