(uncountable) Conduct that playfully causes petty annoyance.

(countable) A playfully annoying action.

(collective) A group or a pack of rats.

(law) A criminal offence defined in various ways in various jurisdictions, sometimes including causing damage to another's property.

(euphemistic) The Devil; used as an expletive.

(Australia) Casual and/or flirtatious sexual acts.