Rachel: Cindy is such a twat-swatter, she would let me hook up with Adam because she told him I have crabs.
Susan: But you totally don't!
Rachel: I know!
When a guy blocks a guy from having sex they are called a cock blocker but when a girl blocks/ stops another girl from having sex they are called a twat swater.
Shauna: Hey heard you finally got into Tristans pants last night, Congrats!
Kayla: Almost but Lexy came in totally wasted and totally ruined it. She's such a twat swater!