Top Definition
The filter in guys' brains which keeps unspoken love and affection for one another unspoken, as it should be.
When a guy shows way too much physical and verbal affection for another guy, making otherwise normal situations and interactions creepy, awkward and uncomfortable, he has ignored his Dude Filter:

-Extra long hugs.
-Telling a guy he's sweet and you love him.
-Talking way too close to him.
by Raixor February 26, 2012

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