glen bui Share definition Flag 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!' glen bui by Puppetmaster34 March 23, 2014 0 0 Get merch Get the glen bui mug. Buy Now — $32.95 See more merch
