The slang given to a cougar's (older female) genitalia.
Cougar to a young male at the bar: "You play your cards right I might let you feel my cougar pocket."
For those of us who can't say BFF drunk and it comes out sounding like beef. Also for those of us who hate the word bestie.
Mallory: Oh my God Maggie I hate the word bestie. You're my bff(pronounced beef when you have a drunken slur).