Slang word meaning Goon, Bandit, or Gangster.
Twiggum originates from Baltimore slang word "Twieghum", used in the early 1800's to define someone who causes mischief, with the word mostly being used alongside gang's/posse's.
Ay, one of my twiggum's finna spin the on them tigalaboom avenue's
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.