An emmission of wind from the anus. A slightly more polite version of fart. Origins are from young children in the London area, recently adopted in parts of Greece.
(teacher, sniffing the air)
"Right, come on class, own up... Who boulbed?"
lacking intellect, lackinghonor, lacking courage, not visually pleasing, impotent. Originates from mis-pronunciation of badass, could also mean someone who thinks he is a badass but is the opposite.
- grown man steals candy from toddler
"did you see that guy, he's a real bouradas