This is a simple one, folks.
I’m looking for idiomatic phrases consisting of paired items.
Piss and vinegar…
stuff and nonsense…
You get the idea.
Now, have at it.
shits and giggles
green eggs and ham
Apples and chickens.
Hell, I’m no good at this.
Here are the ones I can think of at the moment:
Fire and brimstone
Up and at 'em (I’m not sure if that really counts, but, oh, well.)
Fast and furious
Cats and dogs (as in, “It was raining _____.” or “They were fighting like ________.”)
Brick and mortar (Granted, this one’s a bit recent. I suppose someone could claim that this isn’t really an idiom in standard English, yet.)
Ups and downs
Ins and outs
Inside and out
Spic ‘n’ Span
Spit and polish
New and improved
Surf and turf
Beef and reef
Town and gown
hue and cry
Sorry. I got carried away. I shouldn’t have posted so much at once. I didn’t play fair.
Sorry, sorry, sorry… :o 
boot and rally
nuts and bolts
down and dirty
heart and soul
sex, drugs and rock & roll (ok, that’s a triple)
intents and purposes
Ps and Qs
You’re better than you think. Gerber and Beech-Nut both have this as a flavor of baby food.
Gerber and Beech-Nut 
You’re joking!
My God, who speaks for the defenseless children?
tarred and feathered
drawn and quartered
peas and carrots
flotsam and jetsam
time and tide
cash and carry
wash and wear
conservative and repressed
shit from Shinola
ass from a hole in the ground
cock and bull
fuck and a
Meat and potatoes
peas and carrots
crack and crevice (sorry, professional pest control term)
Mom and Pop (as in store)
Hell for leather
cap and gown
Lord willin’ and the creek don’t rise
Not to mention Abbott and Costello, Laurel and Hardy, and others too numerous to mention. 
bubble and squeak (Name of a recipe—never tasted it)
bar and grill
thunder and lightning
Gin and tonic, front and center, now and nobodygetshurt.
Slings and arrows.
Trials and tribulations.
Breaking and entering.
Chips and dips.
Barley and hops.
Kings and Queens, Dukes and Duchesses ect.
Peas and carrots.
Franks and beans.
Mortars and pestles.
Whips and chains 