puzzle

 ACROSS

  1 (OMG!)

  5 Straightforward

 10 Flaky fish

 13 "Feel" a barre class

 14 Get away from

 15 Place to see stalagmites

 16 Invisible protection in sci-fi

 18 Natives of southwestern Colorado

 19 Painting on plaster

 20 Plant breeder's repository

 22 Extremity

 23 Radius' place

 25 Squeak-squelching stuff

 26 Below zero, perhaps

 32 Alternative to a ring or a hoop

 34 Product samples

 35 Prefix for "cache" or "politics"

 36 Lion's warning

 37 Strands of smoke

 38 Flexed

 39 ___ Young Band (country group)

 40 Waze suggestion

 41 Pharma products

 42 "Do what I do"

 45 Bawl

 46 Slowly nurse

 47 "Fresh Off the Boat" network

 50 Afro-Brazilian martial art incorporating dance and music

 55 Gaynor with the hit "I Will Survive"

 57 Budget-conscious company?

 58 Be a good example?

 60 Number of square feet in a square yard

 61 "Move over!"

 62 "Gotcha"

 63 Gridiron six-pointers: Abbr.

 64 Exciting quality

 65 Review session focus

DOWN

  1 P.R. blunder

  2 Part of a squirrel's store

  3 Destroy, as a sensitive document

  4 Chest muscles, informally

  5 "I've said it ___ ..."

  6 Comedian Wong

  7 Takes to court

  8 Just sitting there

  9 Yield by treaty

 10 Made a list of

 11 Tandoor, e.g.

 12 ___ jockey (slang for an office worker)

 15 Shaped like a regular die

 17 Digital birthday greeting

 21 Some are adopted from shelters

 24 Channel of communication

 26 Sphynx cat's lack

 27 Like food with a kick

 28 Pushes into action

 29 Denials

 30 Magnifying glass, for one

 31 Part of a URL

 32 Without backup

 33 Emotional upheavals

 36 Red flag tosser

 37 "That's incredible!"

 38 Where to plant flowers

 40 Judge's garment

 41 Syrup source

 43 Not bound together

 44 Amendment prohibiting cruel and unusual punishment

 47 Came up

 48 Simone who won four Olympic gold medals in 2016

 49 West Point student

 50 "I ___ take you anywhere!"

 51 Enthusiastic

 52 "Should that be the case ..."

 53 Puerto ___

 54 Particle once modeled as "plum pudding"

 56 Leave out

 59 Dreidel, for one

solution