Yeah... Unfortunately, you gotta be careful in the "real world." People getting messy when they're not prepared for it are VERY unhappy people, generally. (Or even if they're "sort of" prepared: Years ago, a nameless producer finished his vid with the model out in the parking lot, about to leave the shoot, when he pies her again. She gets PISSED. Thought it was just acting... Turns out, she kinda agreed to it, but once it actually happened, she realized she'd have to go back to the hotel, re-shower, change clothes again... and became PISSED for real.)
My one experience, however, was actually fine. This was nearly a decade BEFORE the beginning of SlapstickStuff, and I was just some college punk getting drunk w/friends for New Year's Eve. We had someone's cake in the room, and this cute girl (now married w/2 kids, OUCH) was leaning over it, and I just shoved her face into it. She was shocked... and COVERED. I smushed some more cake in her face as she stood there shellshocked, then another girl caked me, and then the 3 of us had a fun lil' food fight.
But the moral of the story: We were all very DRUNK. Which helped. And she was a fun, goofy, ditzy girl... which also helped. Also: Cake icing is REALLY hard to wash off your face, hair, and clothes. Did I mention we were all drunk?
--Rich