1 definition by igotcockblocked

Top Definition
One who prevents a guy from banging a girl. Usually a friend or family member, motivated either by jealousy or the fact that they can't get any and don't want to see you get some.
I put the moves on Jane last night but her protective cockblocker brother aggressively cockblocked me and asked me to leave the party as he didn't want me to get any.
by igotcockblocked February 12, 2006

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