Stickups are a type of heist, usually involving the use of a weapon to threaten or intimidate victims into handing over their possessions. They are often associated with robberies, but can also be used in other types of criminal activity. Stickups are typically carried out by one or more individuals, and can involve the use of force or threats of violence. The term 'STICKUP' is derived from the phrase 'STICK 'em up, ' which is used to indicate that the perpetrator is armed and ready to commit a crime.