maniacal

Example:He couldn't stop maniacal laughter as he watched the video of the clown.

Definition:Laughing in a foolish, uncontrolled manner; often associated with a deranged or ecstatic state.

Example:She had a maniacal grin while rubbing her hands together, clearly planning something malicious.

Definition:A wildly uncontrolled and unappealing smile, often associated with a state of extreme madness or excitement.

Example:The police launched a maniacal pursuit of the suspect who had escaped from the mental institution.

Definition:An excessively wild or crazy chase or pursuit, normally associated with a lunatic's behavior.

Example:He laid out a maniacal plan to take over the city; it had all the hallmarks of a mad scientist's scheme.

Definition:A wildly uncontrolled or excessively crazy plan, likely to bring about some form of disaster or chaos.

Example:The prisoner's maniacal rage erupted when he saw the guards and lunged at them.

Definition:An uncontrollable outburst of rage that is typically extreme and unreasoned, often associated with mental instability.