It's hard to be sensible and noisy at the same time.
Silly Noisy Gifts
How about these then?
Whoopoo Cushion. CoolThings Australia. Be the ultimate prankster with this self-inflating Whoopoo Cushion shaped just like the smiling poo emoji! You know the drill, hide your windy blaster under a pillow and wait in suspense for an unsuspecting victim to sit on it! Letting out a noise that sounds just like a fart, your cushion will fill with air and re-inflate after every use! from Coolthings.com.au
Emergency Cat Sounds
Emergency Cat Sounds. Archie McPhee. Keep a collection of crazy cat sounds at your fingertips – you never know when you'll need them! Your hand-help Emergency Cat Sounds device will help you communicate with your cat, or at the very least, upset your neighbour's dog! With four naturalistic pet cat sounds to choose from, you'll be ready to mimic your cat for any cat-less emergency. from Coolthings.com.au