One of the several flavors available in the Monster Java Energy Drink line. The best Java flavor to exist.
ALSO, an adjective to describe somebody who is WORSE than a bad bean. Meanbeans are not just bad, they may also be racist, homophobic, etc. or an asshole in general.
1. Mean Bean is the best monster flavor. Ong
2. That guy called my Asian friend a racial slur. He’s a MEAN BEAN!