First of all walk over to the left edge of the screen. The camera should have now changed. You will see a fridge. Open it.
Now pull the fridge's shelf out. The tatoo machine will go up the fritts because the fridge door is interfearing with it. Now quickly use the turkey bayster(You got from the high rollers lounge's kitchen) that has the sleeping liquid (which you get from the Blue Casket's kitchen using the turkey bayster) into the bottle.
Now when he drinks it he will sleep.