Freeze a can of shaving foam.
Once frozen, saw it in half.
Now place each half in a different drawer... once they defrost, they will expand like normal shaving foam.![]()
Expanding foam gap filler gets bigger

Freeze a can of shaving foam.
Once frozen, saw it in half.
Now place each half in a different drawer... once they defrost, they will expand like normal shaving foam.![]()
Call his office phone from a payphone outside and say you're a police officer who's investigating the death of (you) and the post-mortem has revealed you died of a severe allergic reaction to vinegar. When he breaks down in remorseful tears, staple his ears to his desk.
Deserts:
connect rubber bands to his chair from under his desk so wen he pulls his chair out it will keep bouncing back![]()
Bind him to desk, face up, then fetch a dish towel and large jug of water.
Place the towel over his nose and mouth and start slowly dripping the water on to it.
Eventually, he will have to breathe in and will get a lung full of water, it will sting like hell and he will need you to pound his chest to stop him drowning.
When he can talk again ask him if he still wants to play stupid office games, repeat procedure until he answers in the negative.
Bind him to desk, face up, then fetch a dish towel and large jug of water.
Place the towel over his nose and mouth and start slowly dripping the water on to it.
Eventually, he will have to breathe in and will get a lung full of water, it will sting like hell and he will need you to pound his chest to stop him drowning.
When he can talk again ask him if he still wants to play stupid office games, repeat procedure until he answers in the negative.
I like the cress idea myself
But in all seriousness, if you're new and they're doing it this often, then I'd consider going to HR myself.