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An expression of surprise, and/or of joy.
Wahey, I won a million bucks.

Wahey, the brakes don't work.
by Jollster/Cazmataz December 21, 2004
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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The noise you make when someone drops a pint glass at a bar.
*drops pint glass*
*Whole bar* wahey
via giphy
by Dutypizza November 06, 2018
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verb: (doing word)
huhuh doing
celebratory exulation
usually associated with the arrival of
ciggarettes and/or alcoholic beverages to the hill..

often heard at lunch and during classes at st.joesephs and sacred heart school drogheda
teacher : ms thing isnt in
claire: WAHEY!

guy:i got the beer!
everyone: WAHEY!
by yourone March 26, 2009
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1. Another Innuendo for Sexual Intercourse.

2. If someone behaves in a sexual manner.
1. Jensen: Oh, She was definitely up for a bit of Wahey.

2. That Khan girl, yeah, she bent over like WAHEY!
by Katteh25 May 01, 2009
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A phrase overused by the punch rock group, "Green Day". It's used in their song "Know your enemy". It is a nonsensical utterance used to fill in the last two notes of the chords of their chorus.
Do you know the enemy?
Do you know your enemy?
Well, gotta know the enemy, wahey!
by teabowl1 June 07, 2009
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