Tempus fugit.

Time flies when you can't remember last night.

Pope Gregory off the wagon.

Conservation of angular momentum.

It's simple Newtonian physics.

Torque wrenched his back.

It's a closed system, Charlie Brown.

Perfect synergy.

The sum is greater than the parts separately.

Sans-culotte.

Want to see my impression of Gandhi?

McNeedsaspecies.

Fluffykins McHasagimmick.

Is Adolf a rabbit or a hare? He cannot be both.

The canny Scot.

Aye, and he'll make a fine stew.

The Scotsman's Big Mac.

For that I'll expect you'll do the butchering. And dressed, the skin will make a sporran.

The grapes of drats.

Cynthia is a regular maenad of picky eaters.

It's an orgy of complaints. To paraphrase Terminator, "I'll be bacchic."

Cart before the horse.

 There was an accident when a horse-drawn wagon careened down a hill into a tree.

Which came first?

Happy Birthday, Gene.  Get any good presents?