To dream of a guard dog represents feelings about other people being protective and alert. A guard dog may reflect a fear or risk of being told on. Someone is being protective of someone else’s need to be respected. Feeling the potential for someone to become very angry, dangerous, or irrational if you don’t respect them.
To dream of having guard dogs for yourself may represent friends, parents, or lookouts that are protecting you. Negatively, it may a heightened sense of insecurity about being embarrassed or disrespected. Scaring people away who try to get close to you.
To dream of a guard dog on a leash represents feelings about potential embarrassment for doing something you are not supposed to be doing. Feeling that you can safely tread around an issue as long as you don’t do too far. Feeling that someone else’s personal boundaries are being made clear.
Negatively, a guard dog on a leash may reflect false threats or overprotective swagger. A angry person who can’t really be a serious as they make you feel they could. It may also reflect realistic limitations that prevent you from carrying out a serious threat to stay away.