Top Definition
In a musical ensemble, when the number of brass instruments increases significantly in a short period of time.

In musical notation, when, after a period of rest, the brass section emerges with gusto.

Brass players are awesome.
The pep band was poor in brass for a long time, but last year there were a ton of awesome trombone-playing freshmen, and it became a brassgasm.
by monikawithak October 22, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.