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A wall thrown up by a girl (or boy) who is actively hit on regularly by someone - usually someone who the girl wouldn't be interested in even if they weren't happy in their relationship.

The phrase can refer either to the vibe put out by the girl, or (more often) is invoked by waving one or both arms and saying "boyfriend shield".

The defensive version of the boyfriend bomb.
1. "Man, she's touchy - even when I'm just talking about MY relationships, SHE throws up the boyfriend shield and doesn't want to hear about it."

2. "I got a copy of 'Caligula' yesterday and wanted to know if you..."
"WHOA! Boyfriend shield!!!"
by Pasqal Veritude May 21, 2008
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Apr 25 Word of the Day
v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)
The committee commenced blamestorming over the situation rather than seeking solutions to the problem.
by TBea April 22, 2008
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