When a person you make plans with shows up 3 or more hours late or doesn't show up at all.
i was supposed to go to this party tonight with nick but he fucking buco'd me to probably smooch cocks instead.
by shanigans December 29, 2011
1 more definition
many of something... erin.
There are bucos of m&ms on that cake that my favorite cousin made!
by Eileeeeeeeeeeeeen December 21, 2010