There’s lots of ways you can waste their time

• Pretend you can’t hear very well and make them repeat each statement several times
• Pretend to be stupid and misunderstand everything they say
• Repeat back to them each thing they say
• Ask their opinion on any soap opera or reality TV series that you watch then regale them with how wonderful the programme is
• Pretend to cry – tell them you’ve broken up with your true love and are heart broken (good for any budding actors) and pour out any anger you’re feeling.
• Pretend you know the caller and invent a whole back story for last time you saw them and refuse to accept that they don’t know you

Any of these tricks are likely to have the caller put down the phone but it depends how well you play your part. So enjoy yourself, be creative and waste their time.