Annoy 
Feelings of annoyance in a dream mean that enemies are plotting harm.
Bug
To dream of a bug represents an issue that is causing you apprehension. It refers to feelings of unease and concern. It also suggests that you are intense and serious about a new pursuit or leisure activity. In addition, the bug can symbolize fantasies and desires relating to sex.
Nag
To dream of an old horse or a 'nag' indicates a winding down of an idea or project and suggests humility and acceptance at this time.
A nag trying to keep up with other horses in a dream implies an inability to let go of a project but cautions you to release any expectations for your own happiness.
To dream of a person nagging you suggests that you may be trying to ignore that little voice inside that is trying to steer you in the appropriate direction. There is a reminder to stop and listen as you have the answer and you deserve to be heard.
To dream of nagging another person may indicate a personal frustration with an unconscious hint to relax and step away from a current bothersome situation.
Vex
To vex or be vexed in a dream symbolizes conflict. You are likely struggling with problems that are causing you such great stress that you are unable to relax while you are asleep.
Anger
To dream that you are angry signifies vexation and regret within yourself. You push the negativity down and this reveals itself in anger toward others. Evaluate yourself.
Anger could have followed you into your dream from something that happened in waking hours. Dreams are a safe harbor with which to deal with these intense emotions. You simply haven't yet consciously accepted these strong angry emotions.
Affront
To dream that you are the victim of an affront means that an evil individual will seize upon your naivete and place you in jeopardy.
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