a female version of a cockblocker. prevents her female friends from getting laid, hooking up, or any action at all. They pride themselves on helping their friends make the right decision, but their friends usually don't appreciate getting cockswatted.
Kay: what do you think about will? Caroline: he's cute. why? Kay: well we're gonna hookup. Caroline: what? omfg don't do it! no! Kay: okayy i won't.... cockswatter! (She then hooks up with the boy, ignoring her friend's useless cockswatting.)
a women who stops another women from getting laid. also known as twat swatter
.made famous by dane cook.
"I tried to take that girl home, but her friend is a total cock swatter."