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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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May 18 Word of the Day
When you think up something brilliantly righteous while baked.
X: I had this great highdea last night
Y: You clearly were philosopher stoned.
by TripleWest September 03, 2012
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Book It Yourself
“Omg, I’m so stressed and have no time to get on the next flight. Can you help me out?”

by Hdudvdjff September 02, 2020
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BIY JlispyProb!
by HINUZVAGETA November 13, 2020
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