look up any word, like hobnocker:
 
1.
Angry, pissed off, annoyed. As in brewing up anger inside.
You're in trouble Matt, you just broke Sam's bike and he's well brewin'
by Aidan Brooks June 02, 2005
 
2.
the act of drinking beer.
what up.
o u know we chillin n brewin
by jack January 19, 2004
 
3.
The act of drinking alcohol.
Yo guys I feel like brewin' tonight
by Dave August 03, 2003
 
4.
The body's act of processing foods and liquids to the point where you can actually feel the goods shifting in your bowels. This process is usually accompanied by really potent releases of gas with the end process being a really intense bowel movement.
"Oh man! Smells like your Brewin up a good one"
by ODubya July 12, 2004