Here you'll see the funniest ad ever with dog piss in it.

(click ad, via)
You've already seen the funniest ever dog laxative ads. Now this pisser. Pipican is a Merck product, so probably toxic as hell. And of course the ad isn't quite accurate: the pee stream should be landing on their next door neighbor's bush. Ad agency: Lowe SSP3, Columbia. Here's one two three previous funny ads with dogs in them.