There's a phone box opposite my house - the glass is all smashed and, occasionally, I see the odd skank pop in there, make a phone call then, go wait on the corner until an X5 turns up
I had some success throwing snowballs over the house from the back garden last year
.......... I've had one right in the ear with a potato a couple of years ago
Now, I'm thinking that eggs could be fun - chicken eggs are too fragile, they break in your hand if you try to throw them too hard.
I've got some duck eggs that are past their best - they're bigger than chicken eggs a