A condition caused when you break down more proteins then you synthesize, burning lean tissue and killin' ur gains, broseph.
"Mongo's IV is out of whey. We need to get him some protein before he goes catabolic and gets into a rage." - Lex
by winterd June 05, 2013
The atrophying of muscle as opposed to anabolism
Pounding beers then going to Mickey D's last night till 5 in the morning is the definition of catabolism
by Rahul Yukich February 12, 2006
by Bald_men October 29, 2020