greymuzzle

An older member of the furry fandom.

Hey Ace of Hearts, have you heard of Zillion?
Yeah, he's a greymuzzle.

MFF

An acronym of the furry convention "Midwest Fur Fest". It's the world's largest furry convention taking place in Rosemont, Illinois each December.

Hey, are you going to MFF this year?

Nah, I can't be assed. The wait for registration over there is so long it may as well be called line con.

sexocopter

The sexocopter position is performed when a male rotates around the axis of a female's vagina with his penis inside it while on top of her.

"The sexocopter position is fantastic!"