Top Definition
An overwhelming, house clearing smell created by a large grey cat who will "innocently" trip you on your way out the door so that the pungent fumes can more easily overtake you.

Comes from the Irish for stinky or filthy - an cat brean (a stinky cat)
Frelling Brean! I have to leave the house before I retch. Where did that come from...Toledo?????
by Ballyclogh November 08, 2010
A word made up by Pierro that has no meaning
possibly TWO breans is asking too much
by Elvis H September 28, 2004
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