The awesome sound produced by letting one off whilst sitting on the toilet.
Dude, that fuckin' bowl echo was awesome
by Bisto the Genius February 20, 2008
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One of the most intellegent UD Words of the Day. It was written with such poise and grace. It deserves a Nobel Peace Prize because it's SO marvelous.
Sinona- Hey, look at this definition, "Bowl Echo"!

Beyon-WOW!!!THAT IS THE MOST AMAZING DEFINTION EVER!!!!!!OMG!
by sarcastic_person September 27, 2011
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The Echo from a toilet bowl that comes from somebody leaning over the toilet bowl puking or coughing.
Man. Colby is puking so bad you can here a toilet-bowl-echo!
by reactos.org fan May 23, 2008
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