The red semi-circle on your upper lip after playing a brass intrument for a good legnth of time in one session.
After playing my Trombone for an hour, I had developed Brass Lip. Luckily, it disappeared in time for my date.
by Justin H. September 7, 2005
Get the Brass Lipmug. by devilsCounselor June 7, 2016
Get the brass player lipsmug.