1 definition by jenny56

A boys night out, where most 'males' invite friends to have fun and look at porn. Also known as a 'BNO'.

A really lame thing to do. Most kids who think there 'cool' have one.
Johny: "Hey can i have some pornos for my Boys night out"
Friend 2: "wait what, you have a BNO?"
by jenny56 February 27, 2009
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