Ferer
This is a term often used to describe someone who is a lesbian female that enjoys the company of other women.
Jane: Did you Sarah today?
Sammy: She is such a ferer!
Jane: I agree
Sammy: She is such a ferer!
Jane: I agree
Fererence
The act of pro-actively sending your wingman in to block a potential cock block
EG: 'I sent my guy Tony in to run fererence as soon as I saw her fat friend come back from the bathroom.'