puzzle

 ACROSS

  1 Norse god of thunder

  5 Not up to ___ (subpar)

 10 Tool set

 13 Person who could aptly be named Parker

 15 Book before Joel

 16 Words to say on your wedding day

 17 One may do the hustle (In this clue's answer, see letters 4-6)

 19 Man cave, perhaps

 20 Chowed down

 21 Approximately

 22 Personal prose piece

 24 Ornamental symbol in typography

 26 Anticipate

 28 Helper in a white coat (... letters 3-6)

 32 Beam behind drywall

 34 Fats Waller's "___ Misbehavin'"

 35 Winged stinger

 36 Criticize harshly

 37 Tricky pool shot

 39 ___ club (singing group)

 40 Helpful hint

 41 Deep cut

 42 What an oboist soaks

 43 United States Senate, for one (... letters 3-7)

 47 Rub out

 48 Time piece?

 52 Family car

 54 Panache

 55 Central airport

 56 Angsty music genre

 57 Quickest way, usually (... letters 6-10)

 61 Bird in Liberty Mutual ads

 62 Short yet severe

 63 Spud

 64 Touch, as a dog's head

 65 Scrap, at a junkyard

 66 Take a break

DOWN

  1 Father such as Homer Simpson

  2 Caribbean country

  3 Jimmy of the Daily Planet

  4 Word before "league" or "room"

  5 Northern California's Mount ___

  6 Eating candy before dinner, e.g.

  7 L.A. Coliseum school

  8 Plumber's charge

  9 Eurocentric name for Thailand's region

 10 Thanksgiving spot for young ones

 11 Concept

 12 Tiger on a Frosted Flakes box

 14 "Better luck next time"

 18 Visually plain

 23 Take a load off

 25 Down in the dumps

 26 Words in a used car ad

 27 Napa Valley output

 29 Youngest Obama daughter

 30 Require

 31 Golfing gadget

 32 Lose one's footing

 33 Broke, or spent

 36 Alphabetical nickname

 37 Apple offerings

 38 Athlete Arthur who adopted a daughter named Camera

 39 Actress Jewell

 41 Old Pontiac

 42 Comeback

 44 Stretch of history

 45 Legendary mime Marceau

 46 Manchester man, e.g.

 49 Waterslide feature

 50 Ancient music makers

 51 Longtime film critic Roger

 52 Leak gradually

 53 Actress Thompson

 54 Letter after alpha

 58 Diamonds, slangily

 59 Dull routine

 60 Lifeboat propeller

solution