Top Definition
adj. n. A person, ussually a female that her freind brings along on a first date in order to prevent you from having intercourse with her.
If that her FREIND wasnt such a cockblock i would have banged that girl!

I hate that girl's bestfreind, she's such a cockblocker.
by chris September 04, 2003

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.