To dream of represents feelings about readiness to act on anger. Readiness to defend yourself. Proving that you are not a loser to people you are in conflict with. Resistance, anger, or an attempt to defend yourself. Showing others that you are not willing to be pushed around.
Negatively, may reflect anxiety or discomfort with someone you feel is embarrassing you for “stepping over the line.”
To dream of clinching your in an emergency or while bracing for a bad situation to occur may reflect feelings of desperation to feel control over your life. Feeling out of control in a dangerous or crisis situation. Possibly a sign that you would prefer to endure a difficult or dangerous situation instead of asking for help.