Top Definition
When a woman in on her period (aka "up on blocks"). Similar to "lockdown"
We can't have sex this weekend because my girlfriend is on blockdown.
作者 Anthony Gentile 2007年4月30日
When you block someone on your friends list.
Friend #1: "I'm tired of Joe posting sarcastic messages on my status updates."
Friend #2: "Girl! You need to put him on BlockDown!"
作者 Lolita75 2010年1月16日



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