Yes, mobs is a Scrabble word!
...and is worth 8 points in Scrabble, and 10 points in Words with Friends
mobs
Verb
1. Press tightly together or cram
Noun
1. A disorderly crowd of people
2. A loose affiliation of gangsters in charge of organized criminal activities
3. An association of criminals
What Scrabble words can I make with the letters in mobs?
3 Letter Words
2 Letter Words