look up any word, like b4nny:
 
1.
Having Anal sex for you first time
I finally got my brownbelt last night
by Jrock August 13, 2004
 
2.
Saying that you have had anal sex.
I got my brown belt last night with that hot ass girl I met at the bar.
by wisconsin September 29, 2004
 
3.
After ejaculating into someoens rectum, pulling out, and smearing a brown-ine across their stomach and/or back.
"I like my brown belt with my coffee in the morning."
by ihuntmidgets July 19, 2009