Tougher than whale shit

Tough, like REALLY tough! Like tougher than you thought was possible. Could refer to a person, a team, or a terrible piece of meat!

Ivan Drago beat the hell out of Rocky, but Rocky came back and whooped his ass! Rocky is tougher than whale shit!

That steak was so overcooked, it was tougher than whale shit.

Woodpecker lips

Quite possibly the hardest thing on the planet.

I tried to drill into that concrete, but couldn't. That old stuff is harder than woodpecker lips!