This type of person is an absolute twat who never fails to annoy you. They are loud and not well educated and often blurt out inappropriate comments resembling an arsehole, or in this case, a total bellend.
That new lad at work is a boisterous bellend and really pisses me off
The unfortunate return of that night's seafood dinner after a night of binge drinking and said seafood is deposited in the parking lot on a cold night resulting in a stream of warm air rising from the pinkish pool.
Brian: What was that noise?
Jolee: I left a boisterous oyster by the driver-side door of my neighbor's car.