Santa ---; Winds that make meek little wives feel the edge of the carving knife and study their husbands' necks
16A
Actress Jennifer who seemed to be everywhere 25 years ago
17A
Cell division
19A
With 27D and 54A, why you shouldn't feed this to a crocodile
20A
Jai ---- (has anyone ever seen it played, by the way)
21A
That pinniped has my ------ approval
23A
"our" in Esperanto
24A
South Korean Appliance and Consumer products giant. (Giant! Get it? Because its name is....)
26A
Animal companion. (My latest is a little rescue dog name Nova Kane Swanneck-Wiggleworm. We adopted her two days before New Years. The details don't help you but I wanted to introduce her.)
27A
"Say you need me with you now and always; Promise me that all you say is true; That's all ---- of you"
28A
Have loud words
31A
Send a request for a hard copy through your phone or some other Internet device
33A
1800 wasn't one, neither was 1900, but 2000 was
35A
The universe
39A
If I knew what this thing in the sky was, it wouldn't be
40A
Important part of a crossword grid
42A
Unitary number
43A
Wheelhouse
45A
Not quite to the point
47A
Odisha now and Utkala then
49A
Short messages
50A
Oodles
53A
The disbanding of this school group is, apparently, just cause for defenestration according to a classic Simpson's episode
54A
See 19A and 27D
55A
Boat propulsion
56A
Song in which Joanie Mitchell sings: "I was driving across the burning desert; When I spotted six jet planes Leaving six white vapor trails across the bleak terrain; Like the hexagram of the heavens; Like the strings of my guitar" (It was just a false alarm)
58A
Went under
62A
Pig's foot used as food
64A
Ten-gallon hat maker
66A
The very beginning
67A
Norse goddess of the Underworld
68A
Judge in the news 30 years ago
69A
Reach the sum of
70A
Squid juice
71A
All in all, they feel sick
Down
1D
"Robot Chicken" rating
2D
Hard rain gonna fall
3D
The "At last" singer James is probably more culturally relevant, but if I don't remember the comic strip "Kett" who will?
4D
Matter state with separated particles
5D
Flowering herb with a distinct fragrance
6D
10 is good one if you count on your fingers. HEX is another if you want to make a very frustrating WSJ crossword contest
7D
What you are when you are using a hammer
8D
Overlooked
9D
Annoy
10D
Deaf communication across the pond
11D
Sumerian king who rescued an eagle; OR Jamaican reggae singer with debut album "The Strong One"
12D
Indian flat breads (the other one)
13D
Furtive one
18D
Lube away
22D
Evaluation
25D
Geothermal gusher
27D
See 19A and 54A
28D
Grad
29D
Make changes to your loan
30D
Mr. Toad escaped from here by dressing as a washer-woman
31D
Liquide composé de deux atomes d'hydrogène et d'un atome d'oxygène
32D
Prying about in others business
34D
Implements used in an operation or activity
36D
Champagne choice (and choice champagne)
37D
At an indefinite time in the past
38D
Collections
41D
Genetic messenger
44D
Smartphones run on it
46D
Perch
48D
Apparently with Bluetooth technology we are supposed to forget that this was ever considered important
50D
"Hah! Sucka!"
51D
Used a 55A
52D
Vast and wide
54D
Consumed
56D
Perched upon
57D
When asked his name he answered "I have none, because there were no people to name me"