To build oneself up only to then disappoint. As in when leaving a cheap tip at a restaurant.
'Damn dude he said he was going to give me a fat tip.'

'That dude just totally Glen Bui'd you!'
by Puppetmaster34 March 9, 2014
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Stupid twats who buy up shit when they dont need it cause they see others doing on TV
Wankers were panic buying today because of a shite rumour and TV
by mhgh9 March 30, 2012
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The way that Urban Dictionary tries to get your money.

Would be funnier if you actually bought it this way and showed it off.
"Like this definition? Buy the Mug for $25!"
- Urban Dictionary
by Kettle2.0 April 24, 2016
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to buy a movie you haven't seen yet
"Everyone's been telling me Gladiator is really good, so I decided to risk a Blind Buy."
by Mary Temp June 12, 2007
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Phrase used to describe the act of developing an emotional attachment to a person, thing, or cause. The implied sentiment is that the commitment was taken on despite feelings of apprehension.
We tried to let David know we were concerned about his new girlfriend. We don't like her but it's too late . . . David is buying the puppy.
by Tagz May 2, 2008
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If you buy something you either can't afford or you regret deeply after purchaseing it, it's a Cry Buy.
Tom: Holy shit, waffles to $199.99 each. I want five!
Carl: Sounds like a cry buy.
by Bjarte Wasmuth November 21, 2007
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