Refer to your roommate using terms of endearment such as sweet cheeks and honey buns.
Pretend to take whilst pretending to be asleep on the sofa.
Ask your roommate if your family could move in for a couple of weeks and pretend its true for a few days.
Impersonate a film character for the day, for example Forest Gump.
When the phone rings, get up and answer the door.
When someone knocks on the door, get up and answer the phone.
Tell your roommate that someone called for them whilst they were out but say you can’t remember who or what they wanted.
Every time that you wake up, start screaming “Where am I?” and run around your room for a few minutes, then return to bed.
Buy a Jack in the Box and every day turn the handle until the clown pops out, when it does; scream around continuously for ten minutes.
Smile… all the time.
Make a sandwich, but instead of eating it, leave it on the kitchen floor. When your roommate throws it in the bin, ask them where it is and complain loudly that’s how you liked your sandwiches and how hungry you are.
Scatter stuffed toys around the room with party hats on and play loud music. When the roommate walks in, turn off the music, take off the party hats and starting putting the toys away saying it was fun while it lasted.
Every time you take a shower, scream “I’m Melting! I’m Melting!”
Take the mechanism out of a musical greetings card and place it underneath a rug or carpet, so whenever your roommate walks on it, it activates the sound.
Use a small piece of black tape to block the SKY remote sensor so when your roommate wants to watch TV, they can’t change the channel.