I need some clown wam stuff I can do to myself in 30 minutes, can include

Shaving roam pies
Clowns
Clown Makeup
Feet
Shower
One messy item at a time
Custard
Icing
Nothing over 1 litre
Milk
Icecream
Topping
Peanut butter
Jam
Cream
Whipped cream

Etc

Give me some ideas

Ok mix peanut butter and jelly over head

Than pour milk in between than layer whip cream on top of that

Chocolate syrup filled sneakers..or boots....look surprised.
Cake frosting shampoo.
Sit on cake..