Fun Gun
From Tardis Wiki, the free Doctor Who reference
The Fun Gun was a weapon used by members of the Happiness Patrol. They were used by the patrol to enforce Helen A's laws on the planet Terra Alpha in the 24th century.
Susan Q wielded one in order to aid the Seventh Doctor, Ace, Earl Sigma and the Pipe People in overthrowing Helen A's regime on Terra Alpha. (TV: The Happiness Patrol)
