Middle aged Old Bag, typically between 45 and 59. A miserable faced, ugly, dumpy woman who generally speaks to everyone else with a bad attitude and a grumpy voice, on a power trip thinking she is better than everyone else.
To move around a city or town with a group of your friends, causing a great amount of public disturbance; often involves old people frowning at you, and calling you "hoodlums".
"Hey Keenan, wanna mob tonight?"
Or
"Carlin and I are gonna drive around and kick over trash cans tonight, wanna mob with us?" also see mobbin