You don't need fancy toys to have fun:

[sl8]

Beer helps, though

[House of Roberts]

1. Not sure I'd want my beer diluted with puddle water.

But then, most cheap beer tastes like it was brewed using puddle water, so it may not be an issue.

[2naSalit]

2. Fun but gross.

[sanatanadharma]

3. The toys doing the splashing seemed...

The tools employed to create the splashing seemed to be rather fancy toys.

Was there a sign?
Were these friends behind the wheels?
Or, were these drivers simply sadistic?

Edit: I now see the sign so the sitters are masochists.

[NJCher]

4. yuck

there is all kind of nasty stuff in that roadway water. Ugh, ugh, ugh.