Top Definition
A particularly fast and aggressive bowel movement. One that takes the victim by surprise, making them hoot not unlike the common barn owl.
"By the sounds of it, Dave was having a brown owl"
by MRTOBES August 24, 2009
Evil One. Uses charitable work and trumpet playing as a facade for wickedness.
Don't trust her - I heard she's a brown owl
by wilsdawg June 06, 2007
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