1- To be surrounded by barbed wire in a dream indicates that we arc being prevented from moving forward by cither our own, or others, hurtful remarks.
2- Intellectually, we are trying to be too smart. Equally we may be trying to force other people to do something they do not want to do.
A barbed comment is one which is specifically designed to hurt the recipient.
3- The barb is traditionally the fork that the Devil carried with him, with which to goad us into action.
[1]A snare causing entrapment
[2]