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1. Northern Irish (Norn Irish) for 'boy'. Used as a replacement for the typical 'alright mate' used in other parts of the UK.

2. 'Oul biy' Another Norn Irish word for a marijuana cigarette.

3. A greeting from one biy to another.
1. Yeeooo biy! What's the craic? where's the rest of the biys tonight?

2. Well biy, you coming out for an oul biy?

3. 'Biy!' ... 'biy!'
by WhiskyDrinkinBiy January 31, 2005
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Aug 4 Word of the Day
Man's greatest invention, brain bleach removes bad memories and general DO NOT WANT moments. Every household should have a few gallons.
1: Dude, I just walked in on my parents.
2: Have some Brain Bleach!
by Andikun November 06, 2007
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