Actually, that sounds brilliant.
I really wish I had done that as a child.
(
Bob Todd whee,
Thu 6 Aug 2009, 23:10,
archived)
The trick is to warm the custard up to body temperature and put it in just before they're going to wear them.
They're less likely to feel it until they're past the point of no withdraw.
(
Mu Dinofiddler,
Thu 6 Aug 2009, 23:14,
archived)