나발

bugle; horn: An old-fashioned wind instrument, with a long, thin upper body and a flaring lower end, through which one blows wind to make a sound.

An expression used to ignore or diminish the preceding statement and to stress the following, negative statement.

나발(을) 불다

To drink straight from the bottle.

To say an irrational bit of nonsense or useless words in a thoughtless and careless manner.

To bring one's faults out into the open.