Noun. An aggravated or angry facial expression.
A prolonged, directed mean mug is often enough either start or avoid physical altercation.
Verb. To maintain an angry facial expression.
ref: www.meanestmug.com
Synonyms for mean mug
On this page, you will find 30 slang terms related to mean mug. Some of the top words include: angrifying, Grap Snabble Wobble Flobble, crapper john, fuckin' A, fuckbeans, and 25 more.